@misc{MAT_1957_1_4_a4,
     title = {{\CYRO}{\cyrp}{\cyre}{\cyrch}{\cyra}{\cyrt}{\cyrk}{\cyri}},
     journal = {Matematika},
     pages = {154},
     publisher = {mathdoc},
     volume = {1},
     number = {4},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MAT_1957_1_4_a4/}
}