@article{MI_1971__6_4_189112,
     author = {{\CYRI}.{\CYRI}. {\CYRP}{\cyrl}{\cyre}{\cyrsh}{\cyrk}{\cyra}{\cyrn} and {\CYRK}.{\CYRS}. {\CYRS}{\cyri}{\cyrb}{\cyri}{\cyrr}{\cyrs}{\cyrk}{\cyri}{\cyrishrt}},
     title = {{\CYRI}{\cyrz}{\cyro}{\cyrh}{\cyrr}{\cyro}{\cyrn}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyrsftsn} {\cyrs}{\cyri}{\cyrs}{\cyrt}{\cyre}{\cyrm}{\cyrery} {\cyrs} {\cyrk}{\cyrv}{\cyra}{\cyrd}{\cyrr}{\cyra}{\cyrt}{\cyri}{\cyrch}{\cyrn}{\cyrery}{\cyrm}{\cyri} {\cyrn}{\cyre}{\cyrl}{\cyri}{\cyrn}{\cyre}{\cyrishrt}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyrya}{\cyrm}{\cyri}},
     journal = {Matemati\v{c}eskie issledovani\^a},
     pages = {140--154},
     publisher = {mathdoc},
     volume = {6},
     number = {4},
     year = {1971},
     zbl = {0244.34017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MI_1971__6_4_189112/}
}