Скворцов, Николай Демьянович. Параллельные линии по Эвклиду и Лобачевскому [Электронный ресурс]: дополнение к общепринятым в средней школе учебникам по геометрии / Н. Д. Скворцов. — Электрон. текстовые дан. (1 файл : Кб), 1915 (Казань: Центральная типография). — 19 с.: черт.; 25 см. — (Отдельный оттиск из журнала "Вестник образования и Воспитания"). — Дореволюционная орфография. — Место хранения – Библиотека ТюмГУ ; 625003, г. Тюмень, ул. Семакова, д. 18. — Загл. с титул. экрана. — Электрон. версия печ. публикации. — Свободный доступ из сети Интернет (чтение). — Свободный доступ из сети Интернет (чтение). — Adobe Acrobat Reader 7.0. — <URL:https://library.utmn.ru/dl/Rare_book/Skvortsov.pdf>.
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Period
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Read
|
Print
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Copy
|
Open
|
Total
|
|
Year 2019
|
Quarter 4
|
October
|
3
|
0
|
0
|
0
|
3
|
|
November
|
1
|
0
|
0
|
0
|
1
|
|
December
|
2
|
0
|
0
|
0
|
2
|
|
Year 2020
|
Quarter 1
|
January
|
3
|
0
|
0
|
0
|
3
|
|
February
|
1
|
0
|
0
|
0
|
1
|
|
March
|
4
|
0
|
0
|
0
|
4
|
|
Quarter 2
|
April
|
3
|
0
|
0
|
0
|
3
|
|
May
|
1
|
0
|
0
|
0
|
1
|
|
June
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 3
|
July
|
1
|
0
|
0
|
0
|
1
|
|
August
|
2
|
0
|
0
|
0
|
2
|
|
September
|
2
|
0
|
0
|
0
|
2
|
|
Quarter 4
|
October
|
6
|
0
|
0
|
0
|
6
|
|
November
|
13
|
0
|
0
|
0
|
13
|
|
December
|
7
|
0
|
0
|
0
|
7
|
|
Year 2021
|
Quarter 1
|
January
|
3
|
0
|
0
|
0
|
3
|
|
February
|
5
|
0
|
0
|
0
|
5
|
|
March
|
3
|
0
|
0
|
0
|
3
|
|
Quarter 2
|
April
|
5
|
0
|
0
|
0
|
5
|
|
May
|
4
|
0
|
0
|
0
|
4
|
|
June
|
11
|
0
|
0
|
0
|
11
|
|
Quarter 3
|
July
|
6
|
0
|
0
|
0
|
6
|
|
August
|
8
|
0
|
0
|
0
|
8
|
|
September
|
5
|
0
|
0
|
0
|
5
|
|
Quarter 4
|
October
|
7
|
0
|
0
|
0
|
7
|
|
November
|
9
|
0
|
0
|
0
|
9
|
|
December
|
12
|
0
|
0
|
0
|
12
|
|
Year 2022
|
Quarter 1
|
January
|
6
|
0
|
0
|
0
|
6
|
|
February
|
4
|
0
|
0
|
0
|
4
|
|
March
|
3
|
0
|
0
|
0
|
3
|
|
Quarter 2
|
April
|
2
|
0
|
0
|
0
|
2
|
|
May
|
5
|
0
|
0
|
0
|
5
|
|
June
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 3
|
July
|
4
|
0
|
0
|
0
|
4
|
|
August
|
0
|
0
|
0
|
0
|
0
|
|
September
|
2
|
0
|
0
|
0
|
2
|
|
Quarter 4
|
October
|
2
|
0
|
0
|
0
|
2
|
|
November
|
5
|
0
|
0
|
0
|
5
|
|
December
|
1
|
0
|
0
|
0
|
1
|
|
Year 2023
|
Quarter 1
|
January
|
1
|
0
|
0
|
0
|
1
|
|
February
|
0
|
0
|
0
|
0
|
0
|
|
March
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 2
|
April
|
0
|
0
|
0
|
0
|
0
|
|
May
|
3
|
0
|
0
|
0
|
3
|
|
June
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 3
|
July
|
1
|
0
|
0
|
0
|
1
|
|
August
|
0
|
0
|
0
|
0
|
0
|
|
September
|
3
|
0
|
0
|
0
|
3
|
|
Quarter 4
|
October
|
4
|
0
|
0
|
0
|
4
|
|
November
|
3
|
0
|
0
|
0
|
3
|
|
December
|
3
|
0
|
0
|
0
|
3
|
|
Year 2024
|
Quarter 1
|
January
|
1
|
0
|
0
|
0
|
1
|
|
February
|
1
|
0
|
0
|
0
|
1
|
|
March
|
4
|
0
|
0
|
0
|
4
|
|
Quarter 2
|
April
|
0
|
0
|
0
|
0
|
0
|
|
May
|
0
|
0
|
0
|
0
|
0
|
|
June
|
3
|
0
|
0
|
0
|
3
|
|
Quarter 3
|
July
|
0
|
0
|
0
|
0
|
0
|
|
August
|
0
|
0
|
0
|
0
|
0
|
|
September
|
2
|
0
|
0
|
0
|
2
|
|
Quarter 4
|
October
|
2
|
0
|
0
|
0
|
2
|
|
November
|
1
|
0
|
0
|
0
|
1
|
|
December
|
1
|
0
|
0
|
0
|
1
|
|
Year 2025
|
Quarter 1
|
January
|
1
|
0
|
0
|
0
|
1
|
|
February
|
1
|
0
|
0
|
0
|
1
|
|
March
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 2
|
April
|
4
|
0
|
0
|
0
|
4
|
|
May
|
0
|
0
|
0
|
0
|
0
|
|
Total
|
202
|
0
|
0
|
0
|
202
|
