@article{MI_1986__90_189886, author = {{\CYRD}.{\CYRI}. {\CYRYU}{\cyrn}{\cyru}{\cyrs}{\cyro}{\cyrv}{\cyra}}, title = {{\CYRP}{\cyrr}{\cyro}{\cyrd}{\cyro}{\cyrl}{\cyrzh}{\cyre}{\cyrn}{\cyri}{\cyre} {\cyrn}{\cyro}{\cyrr}{\cyrm}{\cyrery} {\cyrg}{\cyrr}{\cyru}{\cyrp}{\cyrp}{\cyrery} {\cyri} {\cyrk}{\cyro}{\cyrl}{\cyrsftsn}{\cyrc}{\cyra} {\cyrn}{\cyra} {\cyri}{\cyrh} {\cyrg}{\cyrr}{\cyru}{\cyrp}{\cyrp}{\cyro}{\cyrv}{\cyro}{\cyre} {\cyrk}{\cyro}{\cyrl}{\cyrsftsn}{\cyrc}{\cyro}}, journal = {Matemati\v{c}eskie issledovani\^a}, pages = {137--146}, publisher = {mathdoc}, volume = {90}, year = {1986}, zbl = {0613.16016}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MI_1986__90_189886/} }