Voir la notice de l'article provenant de la source Math-Net.Ru
@misc{MP_2011_a20, title = {{\CYRU}{\cyrs}{\cyrl}{\cyro}{\cyrv}{\cyri}{\cyrya} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch}}, journal = {Matematicheskoe Prosveshchenie}, pages = {232--235}, publisher = {mathdoc}, year = {2011}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MP_2011_a20/} }
Условия задач. Matematicheskoe Prosveshchenie, Matematicheskoe Prosveshchenie (2011), pp. 232-235. http://geodesic.mathdoc.fr/item/MP_2011_a20/