Voir la notice de l'article provenant de la source Math-Net.Ru
@article{KVANT_2015_1_a19, author = {A. Chernoutsan}, title = {{\CYRZ}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri}}, journal = {Kvant}, pages = {46--50}, publisher = {mathdoc}, number = {1}, year = {2015}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2015_1_a19/} }
A. Chernoutsan. Задачи. Kvant, no. 1 (2015), pp. 46-50. http://geodesic.mathdoc.fr/item/KVANT_2015_1_a19/