Задачи 1--4
Kvant, no. 9 (2020)
Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{KVANT_2020_9_a9,
title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} 1--4},
journal = {Kvant},
pages = {43},
publisher = {mathdoc},
number = {9},
year = {2020},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/KVANT_2020_9_a9/}
}
Задачи 1--4. Kvant, no. 9 (2020). http://geodesic.mathdoc.fr/item/KVANT_2020_9_a9/