Научно-технические ведомости Санкт-Петербургского государственного политехнического университета. Сер.: Физико-математические науки. — Санкт-Петербург: СПбПУ, 2019 -.
Т. 12, № 4, 2019. — 1 файл (6,78 Мб). — Свободный доступ из сети Интернет (чтение, печать, копирование). — <URL:http://elib.spbstu.ru/dl/2/j20-2.pdf>.
|
Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
|
Year 2020
|
Quarter 1
|
January
|
2
|
0
|
2
|
0
|
4
|
|
February
|
1
|
0
|
3
|
0
|
4
|
|
March
|
9
|
0
|
5
|
0
|
14
|
|
Quarter 2
|
April
|
9
|
0
|
0
|
0
|
9
|
|
May
|
4
|
0
|
0
|
0
|
4
|
|
June
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 3
|
July
|
6
|
0
|
0
|
0
|
6
|
|
August
|
1
|
0
|
0
|
0
|
1
|
|
September
|
2
|
0
|
0
|
0
|
2
|
|
Quarter 4
|
October
|
5
|
0
|
1
|
0
|
6
|
|
November
|
1
|
0
|
6
|
0
|
7
|
|
December
|
2
|
0
|
9
|
0
|
11
|
|
Year 2021
|
Quarter 1
|
January
|
6
|
0
|
4
|
0
|
10
|
|
February
|
6
|
0
|
1
|
0
|
7
|
|
March
|
4
|
0
|
2
|
0
|
6
|
|
Quarter 2
|
April
|
2
|
0
|
4
|
0
|
6
|
|
May
|
1
|
0
|
3
|
0
|
4
|
|
June
|
4
|
0
|
5
|
0
|
9
|
|
Quarter 3
|
July
|
6
|
0
|
5
|
0
|
11
|
|
August
|
5
|
0
|
3
|
0
|
8
|
|
September
|
2
|
0
|
3
|
0
|
5
|
|
Quarter 4
|
October
|
4
|
0
|
9
|
0
|
13
|
|
November
|
2
|
0
|
3
|
0
|
5
|
|
December
|
0
|
0
|
1
|
0
|
1
|
|
Year 2022
|
Quarter 1
|
January
|
3
|
0
|
6
|
0
|
9
|
|
February
|
0
|
0
|
2
|
0
|
2
|
|
March
|
6
|
0
|
4
|
0
|
10
|
|
Quarter 2
|
April
|
5
|
0
|
3
|
0
|
8
|
|
May
|
1
|
0
|
2
|
0
|
3
|
|
June
|
1
|
0
|
5
|
0
|
6
|
|
Quarter 3
|
July
|
4
|
0
|
3
|
0
|
7
|
|
August
|
4
|
0
|
1
|
0
|
5
|
|
September
|
4
|
0
|
1
|
0
|
5
|
|
Quarter 4
|
October
|
1
|
0
|
1
|
0
|
2
|
|
November
|
5
|
0
|
2
|
0
|
7
|
|
December
|
9
|
0
|
8
|
0
|
17
|
|
Year 2023
|
Quarter 1
|
January
|
8
|
0
|
1
|
0
|
9
|
|
February
|
12
|
0
|
2
|
0
|
14
|
|
March
|
9
|
0
|
6
|
0
|
15
|
|
Quarter 2
|
April
|
2
|
0
|
4
|
0
|
6
|
|
May
|
6
|
0
|
8
|
0
|
14
|
|
June
|
2
|
0
|
4
|
0
|
6
|
|
Quarter 3
|
July
|
3
|
0
|
7
|
0
|
10
|
|
August
|
5
|
0
|
5
|
0
|
10
|
|
September
|
15
|
0
|
12
|
0
|
27
|
|
Quarter 4
|
October
|
15
|
0
|
51
|
0
|
66
|
|
November
|
4
|
0
|
14
|
0
|
18
|
|
December
|
2
|
0
|
3
|
0
|
5
|
|
Year 2024
|
Quarter 1
|
January
|
1
|
0
|
4
|
0
|
5
|
|
February
|
1
|
0
|
3
|
0
|
4
|
|
March
|
0
|
0
|
2
|
0
|
2
|
|
Quarter 2
|
April
|
5
|
0
|
7
|
0
|
12
|
|
May
|
0
|
0
|
1
|
0
|
1
|
|
Total
|
218
|
0
|
241
|
0
|
459
|
