@article{DAN_1964_159_5_a46, author = {I. A. Aleksandrov}, title = {{\CYRP}{\cyro}{\cyrp}{\cyrr}{\cyra}{\cyrv}{\cyrk}{\cyri} {\cyrk}~{\cyrs}{\cyrt}{\cyra}{\cyrt}{\cyrsftsn}{\cyre} {{\textquotedblleft}{\CYRV}{\cyra}{\cyrr}{\cyri}{\cyra}{\cyrc}{\cyri}{\cyro}{\cyrn}{\cyrn}{\cyrery}{\cyrishrt}} {\cyrm}{\cyre}{\cyrt}{\cyro}{\cyrd} {\cyrr}{\cyre}{\cyrsh}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrerev}{\cyrk}{\cyrs}{\cyrt}{\cyrr}{\cyre}{\cyrm}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyrh} {\cyrp}{\cyrr}{\cyro}{\cyrb}{\cyrl}{\cyre}{\cyrm}}, journal = {Doklady Akademii Nauk}, pages = {950}, year = {1964}, volume = {159}, number = {5}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1964_159_5_a46/} }