Устинов, Сергей Михайлович. Математические модели: текст лекций / С. М. Устинов; Санкт-Петербургский политехнический университет Петра Великого. — Санкт-Петербург, 2020. — 1 файл (750 Кб). — Загл. с титул. экрана. — Доступ по паролю из сети Интернет (чтение). — <URL:http://elib.spbstu.ru/dl/2/s20-57.pdf>. — DOI 10.18720/SPBPU/2/s20-57. — Текст: электронный
| Period | Read | Copy | Open | Total | ||
|---|---|---|---|---|---|---|
| Year 2020 | Quarter 2 | 31 | 0 | 0 | 0 | 31 |
| Quarter 3 | 17 | 0 | 0 | 0 | 17 | |
| Quarter 4 | 7 | 0 | 0 | 0 | 7 | |
| Year 2021 | Quarter 1 | 0 | 0 | 0 | 0 | 0 |
| Quarter 2 | 1 | 0 | 0 | 0 | 1 | |
| Quarter 3 | 0 | 0 | 0 | 0 | 0 | |
| Quarter 4 | 1 | 0 | 0 | 0 | 1 | |
| Year 2022 | Quarter 1 | 5 | 0 | 0 | 0 | 5 |
| Quarter 2 | 9 | 0 | 0 | 0 | 9 | |
| Quarter 3 | 1 | 0 | 0 | 0 | 1 | |
| Quarter 4 | 2 | 0 | 0 | 0 | 2 | |
| Year 2023 | Quarter 1 | 2 | 0 | 0 | 0 | 2 |
| Quarter 2 | 5 | 0 | 0 | 0 | 5 | |
| Quarter 3 | 1 | 0 | 0 | 0 | 1 | |
| Quarter 4 | 1 | 0 | 0 | 0 | 1 | |
| Year 2024 | Quarter 1 | 4 | 0 | 0 | 0 | 4 |
| Quarter 2 | 9 | 0 | 0 | 0 | 9 | |
| Quarter 3 | 2 | 0 | 0 | 0 | 2 | |
| Quarter 4 | 5 | 0 | 0 | 0 | 5 | |
| Year 2025 | Quarter 1 | 6 | 0 | 0 | 0 | 6 |
| Quarter 2 | 8 | 0 | 0 | 0 | 8 | |
| Quarter 3 | 0 | 0 | 0 | 0 | 0 | |
| Total | 117 | 0 | 0 | 0 | 117 | |