Научно-технические ведомости Санкт-Петербургского государственного политехнического университета [Электронный ресурс]. Физико-математические науки. № 3 (201) = St. Petersburg State Polytechnical University journal. Physics and mathematics. — Электрон. текстовые дан. (1 файл : 3,76 Мб). — Санкт-Петербург: Изд-во Политехн. ун-та, 2014. — 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/2/4936.pdf>.
| Period | Read | Copy | Open | Total | ||
|---|---|---|---|---|---|---|
| Year 2014 | Quarter 4 | 12 | 0 | 16 | 0 | 28 |
| Year 2015 | Quarter 1 | 13 | 0 | 33 | 0 | 46 |
| Quarter 2 | 19 | 0 | 34 | 0 | 53 | |
| Quarter 3 | 20 | 0 | 17 | 0 | 37 | |
| Quarter 4 | 22 | 0 | 8 | 0 | 30 | |
| Year 2016 | Quarter 1 | 15 | 0 | 7 | 0 | 22 |
| Quarter 2 | 15 | 0 | 12 | 0 | 27 | |
| Quarter 3 | 13 | 0 | 6 | 0 | 19 | |
| Quarter 4 | 20 | 0 | 5 | 0 | 25 | |
| Year 2017 | Quarter 1 | 15 | 0 | 1 | 0 | 16 |
| Quarter 2 | 12 | 0 | 7 | 0 | 19 | |
| Quarter 3 | 20 | 0 | 19 | 0 | 39 | |
| Quarter 4 | 22 | 0 | 10 | 0 | 32 | |
| Year 2018 | Quarter 1 | 8 | 0 | 10 | 0 | 18 |
| Quarter 2 | 15 | 0 | 11 | 0 | 26 | |
| Quarter 3 | 16 | 0 | 27 | 0 | 43 | |
| Quarter 4 | 15 | 0 | 14 | 0 | 29 | |
| Year 2019 | Quarter 1 | 29 | 0 | 10 | 0 | 39 |
| Quarter 2 | 9 | 0 | 17 | 0 | 26 | |
| Quarter 3 | 4 | 0 | 13 | 0 | 17 | |
| Quarter 4 | 7 | 0 | 13 | 0 | 20 | |
| Year 2020 | Quarter 1 | 7 | 0 | 18 | 0 | 25 |
| Quarter 2 | 14 | 0 | 0 | 0 | 14 | |
| Quarter 3 | 6 | 0 | 0 | 0 | 6 | |
| Quarter 4 | 10 | 0 | 9 | 0 | 19 | |
| Year 2021 | Quarter 1 | 9 | 0 | 2 | 0 | 11 |
| Quarter 2 | 13 | 0 | 10 | 0 | 23 | |
| Quarter 3 | 7 | 0 | 17 | 0 | 24 | |
| Quarter 4 | 7 | 0 | 15 | 0 | 22 | |
| Year 2022 | Quarter 1 | 11 | 0 | 11 | 0 | 22 |
| Quarter 2 | 2 | 0 | 15 | 0 | 17 | |
| Quarter 3 | 11 | 0 | 10 | 0 | 21 | |
| Quarter 4 | 14 | 0 | 6 | 0 | 20 | |
| Year 2023 | Quarter 1 | 7 | 0 | 21 | 0 | 28 |
| Quarter 2 | 4 | 0 | 15 | 0 | 19 | |
| Quarter 3 | 5 | 0 | 8 | 0 | 13 | |
| Quarter 4 | 12 | 0 | 14 | 0 | 26 | |
| Year 2024 | Quarter 1 | 4 | 0 | 12 | 0 | 16 |
| Quarter 2 | 9 | 0 | 27 | 0 | 36 | |
| Quarter 3 | 10 | 0 | 21 | 0 | 31 | |
| Quarter 4 | 18 | 0 | 30 | 0 | 48 | |
| Year 2025 | Quarter 1 | 26 | 0 | 34 | 0 | 60 |
| Quarter 2 | 19 | 0 | 6 | 0 | 25 | |
| Quarter 3 | 2 | 0 | 4 | 0 | 6 | |
| Total | 548 | 0 | 595 | 0 | 1,143 | |