Voir la notice de l'article provenant de la source Math-Net.Ru
@article{KVANT_2009_4_a28, author = {R. Gordin and V. Dotsenko and A. Shen' and {\CYRS}. Shramov}, title = {{\CYRI}{\cyrz}{\cyrb}{\cyrr}{\cyra}{\cyrn}{\cyrn}{\cyrery}{\cyre} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {\cyrs}{\cyro}{\cyrb}{\cyre}{\cyrs}{\cyre}{\cyrd}{\cyro}{\cyrv}{\cyra}{\cyrn}{\cyri}{\cyrishrt} {\cyrv} 9 {\cyrk}{\cyrl}{\cyra}{\cyrs}{\cyrs} 57 {\cyrsh}{\cyrk}{\cyro}{\cyrl}{\cyrery}}, journal = {Kvant}, pages = {57--58}, publisher = {mathdoc}, number = {4}, year = {2009}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2009_4_a28/} }
R. Gordin; V. Dotsenko; A. Shen'; С. Shramov. Избранные задачи собеседований в 9 класс 57 школы. Kvant, no. 4 (2009), pp. 57-58. http://geodesic.mathdoc.fr/item/KVANT_2009_4_a28/