@article{MI_1976__39_189343,
     author = {{\CYRV}.{\CYRI}. {\CYRD}{\cyre}{\cyrm}{\cyre}{\cyrn}{\cyrt}{\cyrsftsn}{\cyre}{\cyrv}{\cyra}},
     title = {{\CYRA}{\cyrv}{\cyrt}{\cyro}{\cyrm}{\cyro}{\cyrr}{\cyrf}{\cyri}{\cyrz}{\cyrm}{\cyrery} $k$- {\cyrs}{\cyre}{\cyrt}{\cyre}{\cyrishrt}},
     journal = {Matemati\v{c}eskie issledovani\^a},
     pages = {73--81},
     publisher = {mathdoc},
     volume = {39},
     year = {1976},
     zbl = {0384.51001},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MI_1976__39_189343/}
}