@article{MI_1976__39_189353, author = {{\CYRE}.{\CYRI}. {\CYRS}{\cyro}{\cyrk}{\cyro}{\cyrl}{\cyro}{\cyrv} and {\CYRL}.{\CYRA}. {\CYRS}{\cyro}{\cyrk}{\cyro}{\cyrl}{\cyro}{\cyrv}{\cyra}}, title = {{\CYRK}{\cyrv}{\cyra}{\cyrz}{\cyri}{\cyrg}{\cyrr}{\cyru}{\cyrp}{\cyrp}{\cyrery} {\cyrs} {\cyro}{\cyrb}{\cyro}{\cyrb}{\cyrshch}{\cyre}{\cyrn}{\cyrn}{\cyrery}{\cyrm} {\cyrs}{\cyrv}{\cyro}{\cyrishrt}{\cyrs}{\cyrt}{\cyrv}{\cyro}{\cyrm} {\cyro}{\cyrb}{\cyrr}{\cyra}{\cyrt}{\cyri}{\cyrm}{\cyro}{\cyrs}{\cyrt}{\cyri}}, journal = {Matemati\v{c}eskie issledovani\^a}, pages = {190--197}, publisher = {mathdoc}, volume = {39}, year = {1976}, zbl = {0383.20060}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MI_1976__39_189353/} }