Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{KVANT_2019_1_a6, title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {{\CYRM}2542{\textendash}{\CYRM}2545,} {{\CYRF}2549{\textendash}{\CYRF}2552}}, journal = {Kvant}, pages = {21--22}, publisher = {mathdoc}, number = {1}, year = {2019}, language = {ru}, url = {https://geodesic-test.mathdoc.fr/item/KVANT_2019_1_a6/} }
Задачи М2542–М2545, Ф2549–Ф2552. Kvant, no. 1 (2019), pp. 21-22. https://geodesic-test.mathdoc.fr/item/KVANT_2019_1_a6/