Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MP_1958_a18, author = {O. A. Oleinik and A. A. Kirillov}, title = {XX {\cyrsh}{\cyrk}{\cyro}{\cyrl}{\cyrsftsn}{\cyrn}{\cyra}{\cyrya} {\cyrm}{\cyra}{\cyrt}{\cyre}{\cyrm}{\cyra}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyra}{\cyrya} {\cyro}{\cyrl}{\cyri}{\cyrm}{\cyrp}{\cyri}{\cyra}{\cyrd}{\cyra} {{\cyrv}~{\CYRM}{\cyro}{\cyrs}{\cyrk}{\cyrv}{\cyre}}}, journal = {Matematicheskoe Prosveshchenie}, pages = {221--227}, publisher = {mathdoc}, year = {1958}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MP_1958_a18/} }
O. A. Oleinik; A. A. Kirillov. XX школьная математическая олимпиада в~Москве. Matematicheskoe Prosveshchenie, Математика, ее преподавание, приложения и история (1958), pp. 221-227. http://geodesic.mathdoc.fr/item/MP_1958_a18/