Voir la notice de l'article provenant de la source Math-Net.Ru
@article{KVANT_2008_6_a4, author = {S. Dorichenko and A. Nikolaev}, title = {{\CYRB}{\cyre}{\cyrs}{\cyrk}{\cyro}{\cyrn}{\cyre}{\cyrch}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyrsftsn} {\cyrv} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyra}{\cyrh}}, journal = {Kvant}, pages = {32--33}, publisher = {mathdoc}, number = {6}, year = {2008}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2008_6_a4/} }
S. Dorichenko; A. Nikolaev. Бесконечность в задачах. Kvant, no. 6 (2008), pp. 32-33. http://geodesic.mathdoc.fr/item/KVANT_2008_6_a4/