@article{DAN_1967_174_3_a22, author = {A. D. Aleksandrov}, title = {{\CYRP}{\cyro}{\cyrp}{\cyrr}{\cyra}{\cyrv}{\cyrk}{\cyri} {\cyrk}~{\cyrs}{\cyrt}{\cyra}{\cyrt}{\cyrsftsn}{\cyre} {``{\CYRM}{\cyre}{\cyrt}{\cyro}{\cyrd}} {\cyrp}{\cyrr}{\cyro}{\cyre}{\cyrk}{\cyrc}{\cyri}{\cyrishrt} {\cyrv}{\cyri}{\cyrs}{\cyrs}{\cyrl}{\cyre}{\cyrd}{\cyro}{\cyrv}{\cyra}{\cyrn}{\cyri}{\cyri} {\cyrr}{\cyre}{\cyrsh}{\cyre}{\cyrn}{\cyri}{\cyrishrt} {\cyrerev}{\cyrl}{\cyrl}{\cyri}{\cyrp}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrh} {\cyru}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrishrt}'' {({\CYRD}{\CYRA}{\CYRN},} {\cyrt}.~169, {\No~4,} 1966~{\cyrg}.)}, journal = {Doklady Akademii Nauk}, pages = {8}, publisher = {mathdoc}, volume = {174}, number = {3}, year = {1967}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1967_174_3_a22/} }