@article{MI_1990__119_190131,
     author = {{\CYRB}.{\CYRN}. {\CYRA}{\cyrp}{\cyra}{\cyrn}{\cyra}{\cyrs}{\cyro}{\cyrv} and {\CYRI}.{\CYRS}. {\CYRG}{\cyru}{\cyrc}{\cyru}{\cyrl}},
     title = {{\CYRZ}{\cyra}{\cyrm}{\cyrk}{\cyrn}{\cyru}{\cyrt}{\cyrery}{\cyre} {\cyrg}{\cyri}{\cyrp}{\cyre}{\cyrr}{\cyrb}{\cyro}{\cyrl}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyre} 3-{\cyrm}{\cyrn}{\cyro}{\cyrg}{\cyro}{\cyro}{\cyrb}{\cyrr}{\cyra}{\cyrz}{\cyri}{\cyrya} {\cyro}{\cyrd}{\cyri}{\cyrn}{\cyra}{\cyrk}{\cyro}{\cyrv}{\cyrery}{\cyrh} {\cyro}{\cyrb}{\cyrhrdsn}{\cyre}{\cyrm}{\cyro}{\cyrv}},
     journal = {Matemati\v{c}eskie issledovani\^a},
     pages = {13--28},
     publisher = {mathdoc},
     volume = {119},
     year = {1990},
     zbl = {0755.52004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MI_1990__119_190131/}
}