@article{MI_1968__2_4_188883,
     author = {{\CYRI}.{\CYRK}. {\CYRSHCH}{\cyre}{\cyrr}{\cyrb}{\cyra}{\cyrc}{\cyrk}{\cyri}{\cyrishrt}},
     title = {{\CYRO} {\cyrp}{\cyrr}{\cyri}{\cyrm}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyri}{\cyrz}{\cyro}{\cyrl}{\cyri}{\cyrr}{\cyro}{\cyrv}{\cyra}{\cyrn}{\cyrn}{\cyrery}{\cyrh} $P$-{\cyrk}{\cyro}{\cyrm}{\cyrp}{\cyro}{\cyrn}{\cyre}{\cyrn}{\cyrt}},
     journal = {Matemati\v{c}eskie issledovani\^a},
     pages = {187--198},
     publisher = {mathdoc},
     volume = {2},
     number = {4},
     year = {1968},
     zbl = {0256.16023},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MI_1968__2_4_188883/}
}