Задачи 13–20
Kvant, no. 12 (2019)
Cet article a éte moissonné depuis la source Math-Net.Ru
@misc{KVANT_2019_12_a10,
title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} 13{\textendash}20},
journal = {Kvant},
pages = {23},
year = {2019},
number = {12},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/KVANT_2019_12_a10/}
}
Задачи 13–20. Kvant, no. 12 (2019). http://geodesic.mathdoc.fr/item/KVANT_2019_12_a10/