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@article{MP_1961_a32, author = {V. G. Boltyanskii and E. R. Rozendorn}, title = {XXI {\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 = {301--309}, publisher = {mathdoc}, year = {1961}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MP_1961_a32/} }
V. G. Boltyanskii; E. R. Rozendorn. XXI школьная математическая олимпиада в Москве. Matematicheskoe Prosveshchenie, Математика, ее преподавание, приложения и история (1961), pp. 301-309. http://geodesic.mathdoc.fr/item/MP_1961_a32/