@misc{MAT_1968_12_4_a0,
     title = {{\CYRI}{\cyrs}{\cyrp}{\cyrr}{\cyra}{\cyrv}{\cyrl}{\cyre}{\cyrn}{\cyri}{\cyre}},
     journal = {Matematika},
     pages = {2},
     year = {1968},
     volume = {12},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MAT_1968_12_4_a0/}
}