Силкина, Галина Юрьевна. Математические методы в экономике и управлении: учебное пособие / Г. Ю. Силкина, В. Н. Юрьев; Санкт-Петербургский политехнический университет Петра Великого. — Санкт-Петербург: ПОЛИТЕХ-ПРЕСС, 2019. — 1 файл (853 Кб). — Загл. с титул. экрана. — Рез. на англ. яз. — Электронная копия печатной публикации 2019 г. — Доступ по паролю из сети Интернет (чтение, печать). — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2/id19-179.pdf>. — DOI 10.18720/SPBPU/2/id19-179. — Текст: электронный
|
Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
|
Year 2019
|
Quarter 4
|
December
|
1
|
0
|
0
|
0
|
1
|
|
Year 2020
|
Quarter 1
|
January
|
5
|
0
|
0
|
0
|
5
|
|
February
|
1
|
0
|
0
|
0
|
1
|
|
March
|
3
|
0
|
0
|
0
|
3
|
|
Quarter 2
|
April
|
13
|
1
|
0
|
0
|
14
|
|
May
|
15
|
0
|
0
|
0
|
15
|
|
June
|
23
|
1
|
0
|
0
|
24
|
|
Quarter 3
|
July
|
9
|
0
|
0
|
0
|
9
|
|
August
|
5
|
1
|
0
|
0
|
6
|
|
September
|
9
|
0
|
0
|
0
|
9
|
|
Quarter 4
|
October
|
4
|
0
|
0
|
0
|
4
|
|
November
|
1
|
0
|
0
|
0
|
1
|
|
December
|
1
|
0
|
0
|
0
|
1
|
|
Year 2021
|
Quarter 1
|
January
|
3
|
0
|
0
|
0
|
3
|
|
February
|
5
|
0
|
0
|
0
|
5
|
|
March
|
2
|
2
|
0
|
0
|
4
|
|
Quarter 2
|
April
|
1
|
0
|
0
|
0
|
1
|
|
May
|
11
|
0
|
0
|
0
|
11
|
|
June
|
2
|
1
|
0
|
0
|
3
|
|
Quarter 3
|
July
|
0
|
0
|
0
|
0
|
0
|
|
August
|
0
|
0
|
0
|
0
|
0
|
|
September
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 4
|
October
|
0
|
0
|
0
|
0
|
0
|
|
November
|
0
|
0
|
0
|
0
|
0
|
|
December
|
1
|
0
|
0
|
0
|
1
|
|
Year 2022
|
Quarter 1
|
January
|
1
|
0
|
0
|
0
|
1
|
|
February
|
2
|
0
|
0
|
0
|
2
|
|
March
|
1
|
1
|
0
|
0
|
2
|
|
Quarter 2
|
April
|
0
|
0
|
0
|
0
|
0
|
|
May
|
0
|
0
|
0
|
0
|
0
|
|
June
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 3
|
July
|
0
|
0
|
0
|
0
|
0
|
|
August
|
0
|
0
|
0
|
0
|
0
|
|
September
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 4
|
October
|
5
|
1
|
0
|
0
|
6
|
|
November
|
0
|
0
|
0
|
0
|
0
|
|
December
|
0
|
0
|
0
|
0
|
0
|
|
Year 2023
|
Quarter 1
|
January
|
0
|
0
|
0
|
0
|
0
|
|
February
|
0
|
0
|
0
|
0
|
0
|
|
March
|
2
|
0
|
0
|
0
|
2
|
|
Quarter 2
|
April
|
0
|
0
|
0
|
0
|
0
|
|
May
|
4
|
1
|
0
|
0
|
5
|
|
June
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 3
|
July
|
0
|
0
|
0
|
0
|
0
|
|
August
|
5
|
0
|
0
|
0
|
5
|
|
September
|
5
|
0
|
0
|
0
|
5
|
|
Quarter 4
|
October
|
3
|
0
|
0
|
0
|
3
|
|
November
|
1
|
0
|
0
|
0
|
1
|
|
December
|
2
|
0
|
0
|
0
|
2
|
|
Year 2024
|
Quarter 1
|
January
|
0
|
0
|
0
|
0
|
0
|
|
February
|
1
|
0
|
0
|
0
|
1
|
|
March
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 2
|
April
|
0
|
0
|
0
|
0
|
0
|
|
Total
|
149
|
9
|
0
|
0
|
158
|
