@article{MI_1981__64_189614, author = {A.B. {\CYRA}{\cyrl}{\cyrb}{\cyru}{\cyrl} and {\CYRN}.{\CYRV}. {\CYRB}{\cyra}{\cyrn}{\cyri}{\cyrch}{\cyru}{\cyrk} and {\CYRI}.{\CYRI}. {\CYRK}{\cyro}{\cyra}{\cyrn}{\cyrd}{\cyrerev}}, title = {{\CYRO}{\cyrb} {\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrishrt} {\cyrd}{\cyri}{\cyrn}{\cyra}{\cyrm}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyro}{\cyrishrt} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyre} {\cyro}{\cyrp}{\cyrt}{\cyri}{\cyrm}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyrp}{\cyrr}{\cyro}{\cyre}{\cyrk}{\cyrt}{\cyri}{\cyrr}{\cyro}{\cyrv}{\cyra}{\cyrn}{\cyri}{\cyrya}}, journal = {Matemati\v{c}eskie issledovani\^a}, pages = {3--7}, publisher = {mathdoc}, volume = {64}, year = {1981}, zbl = {0487.73109}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MI_1981__64_189614/} }