Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{KVANT_2018_4_a11, title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {{\CYRM}2506--{\CYRM}2509,} {{\CYRF}2513--{\CYRF}2516}}, journal = {Kvant}, pages = {10--11}, publisher = {mathdoc}, number = {4}, year = {2018}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2018_4_a11/} }
Задачи М2506--М2509, Ф2513--Ф2516. Kvant, no. 4 (2018), pp. 10-11. http://geodesic.mathdoc.fr/item/KVANT_2018_4_a11/