Научно-технические ведомости Санкт-Петербургского государственного политехнического университета [Электронный ресурс]. Физико-математические науки. № 1 (213) = St. Petersburg state polytechnical university journal. Physics and Mathematics / Министерство образования и науки Российской Федерации. — Электрон. текстовые дан. (1 файл : 3,78 Мб). — Санкт-Петербург: Изд-во Политехн. ун-та, 2015. — Загл. с титул. экрана. — Электронная версия печатной публикации. — Свободный доступ из сети Интернет (чтение, печать, копирование). — Текстовый документ. — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2/5445.pdf>.
|
Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
|
Year 2015
|
Quarter 2
|
May
|
24
|
0
|
15
|
0
|
39
|
|
June
|
11
|
0
|
2
|
0
|
13
|
|
Quarter 3
|
July
|
4
|
0
|
2
|
0
|
6
|
|
August
|
5
|
0
|
2
|
0
|
7
|
|
September
|
8
|
0
|
1
|
0
|
9
|
|
Quarter 4
|
October
|
9
|
0
|
5
|
0
|
14
|
|
November
|
0
|
0
|
6
|
0
|
6
|
|
December
|
2
|
0
|
2
|
0
|
4
|
|
Year 2016
|
Quarter 1
|
January
|
5
|
0
|
2
|
0
|
7
|
|
February
|
1
|
0
|
0
|
0
|
1
|
|
March
|
1
|
0
|
1
|
0
|
2
|
|
Quarter 2
|
April
|
5
|
0
|
6
|
0
|
11
|
|
May
|
11
|
0
|
3
|
0
|
14
|
|
June
|
9
|
0
|
3
|
0
|
12
|
|
Quarter 3
|
July
|
3
|
0
|
2
|
0
|
5
|
|
August
|
2
|
0
|
1
|
0
|
3
|
|
September
|
1
|
0
|
1
|
0
|
2
|
|
Quarter 4
|
October
|
4
|
0
|
1
|
0
|
5
|
|
November
|
3
|
0
|
2
|
0
|
5
|
|
December
|
3
|
0
|
1
|
0
|
4
|
|
Year 2017
|
Quarter 1
|
January
|
1
|
0
|
2
|
0
|
3
|
|
February
|
1
|
0
|
0
|
0
|
1
|
|
March
|
5
|
0
|
0
|
0
|
5
|
|
Quarter 2
|
April
|
3
|
0
|
1
|
0
|
4
|
|
May
|
5
|
0
|
3
|
0
|
8
|
|
June
|
0
|
0
|
1
|
0
|
1
|
|
Quarter 3
|
July
|
5
|
0
|
2
|
0
|
7
|
|
August
|
1
|
0
|
1
|
0
|
2
|
|
September
|
3
|
0
|
8
|
0
|
11
|
|
Quarter 4
|
October
|
3
|
0
|
1
|
0
|
4
|
|
November
|
1
|
0
|
1
|
0
|
2
|
|
December
|
7
|
0
|
6
|
0
|
13
|
|
Year 2018
|
Quarter 1
|
January
|
3
|
0
|
3
|
0
|
6
|
|
February
|
1
|
0
|
4
|
0
|
5
|
|
March
|
0
|
0
|
4
|
0
|
4
|
|
Quarter 2
|
April
|
3
|
0
|
4
|
0
|
7
|
|
May
|
1
|
0
|
2
|
0
|
3
|
|
June
|
2
|
0
|
12
|
0
|
14
|
|
Quarter 3
|
July
|
1
|
0
|
11
|
0
|
12
|
|
August
|
8
|
0
|
20
|
0
|
28
|
|
September
|
3
|
0
|
5
|
0
|
8
|
|
Quarter 4
|
October
|
3
|
0
|
8
|
0
|
11
|
|
November
|
1
|
0
|
4
|
0
|
5
|
|
December
|
2
|
0
|
16
|
0
|
18
|
|
Year 2019
|
Quarter 1
|
January
|
3
|
0
|
3
|
0
|
6
|
|
February
|
3
|
0
|
2
|
0
|
5
|
|
March
|
2
|
0
|
7
|
0
|
9
|
|
Quarter 2
|
April
|
0
|
0
|
9
|
0
|
9
|
|
May
|
2
|
0
|
5
|
0
|
7
|
|
June
|
0
|
0
|
4
|
0
|
4
|
|
Quarter 3
|
July
|
1
|
0
|
1
|
0
|
2
|
|
August
|
0
|
0
|
5
|
0
|
5
|
|
September
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 4
|
October
|
1
|
0
|
3
|
0
|
4
|
|
November
|
2
|
0
|
1
|
0
|
3
|
|
December
|
0
|
0
|
3
|
0
|
3
|
|
Year 2020
|
Quarter 1
|
January
|
2
|
0
|
2
|
0
|
4
|
|
February
|
0
|
0
|
3
|
0
|
3
|
|
March
|
4
|
0
|
4
|
0
|
8
|
|
Quarter 2
|
April
|
6
|
0
|
0
|
0
|
6
|
|
May
|
1
|
0
|
0
|
0
|
1
|
|
June
|
6
|
0
|
0
|
0
|
6
|
|
Quarter 3
|
July
|
2
|
0
|
0
|
0
|
2
|
|
August
|
0
|
0
|
0
|
0
|
0
|
|
September
|
2
|
0
|
0
|
0
|
2
|
|
Quarter 4
|
October
|
3
|
0
|
2
|
0
|
5
|
|
November
|
0
|
0
|
6
|
0
|
6
|
|
December
|
4
|
0
|
2
|
0
|
6
|
|
Year 2021
|
Quarter 1
|
January
|
3
|
0
|
4
|
0
|
7
|
|
February
|
3
|
0
|
3
|
0
|
6
|
|
March
|
0
|
0
|
3
|
0
|
3
|
|
Quarter 2
|
April
|
1
|
0
|
4
|
0
|
5
|
|
May
|
0
|
0
|
1
|
0
|
1
|
|
June
|
9
|
0
|
8
|
0
|
17
|
|
Quarter 3
|
July
|
3
|
0
|
6
|
0
|
9
|
|
August
|
0
|
0
|
2
|
0
|
2
|
|
September
|
1
|
0
|
6
|
0
|
7
|
|
Quarter 4
|
October
|
0
|
0
|
9
|
0
|
9
|
|
November
|
0
|
0
|
4
|
0
|
4
|
|
December
|
4
|
0
|
1
|
0
|
5
|
|
Year 2022
|
Quarter 1
|
January
|
2
|
0
|
8
|
0
|
10
|
|
February
|
2
|
0
|
3
|
0
|
5
|
|
March
|
1
|
0
|
2
|
0
|
3
|
|
Quarter 2
|
April
|
0
|
0
|
3
|
0
|
3
|
|
May
|
4
|
0
|
4
|
0
|
8
|
|
June
|
1
|
0
|
3
|
0
|
4
|
|
Quarter 3
|
July
|
3
|
0
|
4
|
0
|
7
|
|
August
|
2
|
0
|
1
|
0
|
3
|
|
September
|
0
|
0
|
1
|
0
|
1
|
|
Quarter 4
|
October
|
1
|
0
|
3
|
0
|
4
|
|
November
|
1
|
0
|
4
|
0
|
5
|
|
December
|
10
|
0
|
3
|
0
|
13
|
|
Year 2023
|
Quarter 1
|
January
|
1
|
0
|
3
|
0
|
4
|
|
February
|
0
|
0
|
2
|
0
|
2
|
|
March
|
0
|
0
|
5
|
0
|
5
|
|
Quarter 2
|
April
|
0
|
0
|
6
|
0
|
6
|
|
May
|
2
|
0
|
11
|
0
|
13
|
|
June
|
2
|
0
|
3
|
0
|
5
|
|
Quarter 3
|
July
|
1
|
0
|
2
|
0
|
3
|
|
August
|
0
|
0
|
3
|
0
|
3
|
|
September
|
0
|
0
|
5
|
0
|
5
|
|
Quarter 4
|
October
|
5
|
0
|
4
|
0
|
9
|
|
November
|
5
|
0
|
6
|
0
|
11
|
|
December
|
1
|
0
|
2
|
0
|
3
|
|
Year 2024
|
Quarter 1
|
January
|
0
|
0
|
0
|
0
|
0
|
|
February
|
0
|
0
|
5
|
0
|
5
|
|
March
|
0
|
0
|
10
|
0
|
10
|
|
Quarter 2
|
April
|
9
|
0
|
20
|
0
|
29
|
|
May
|
1
|
0
|
6
|
0
|
7
|
|
Total
|
297
|
0
|
422
|
0
|
719
|
