@article{DAN_1968_182_3_a21, author = {L. L. Tsinman}, title = {{\CYRP}{\cyro}{\cyrp}{\cyrr}{\cyra}{\cyrv}{\cyrk}{\cyri} {\cyrk} {\cyrs}{\cyrt}{\cyra}{\cyrt}{\cyrsftsn}{\cyre} {``{\CYRO}{\cyrb}} {\cyra}{\cyrk}{\cyrs}{\cyri}{\cyro}{\cyrm}{\cyre} {\cyrp}{\cyro}{\cyrl}{\cyrn}{\cyro}{\cyrishrt} {\cyri}{\cyrn}{\cyrd}{\cyru}{\cyrk}{\cyrc}{\cyri}{\cyri}'' {({\CYRD}{\CYRA}{\CYRN},} {\cyrt}.~173, {\No~2)}}, journal = {Doklady Akademii Nauk}, pages = {8}, publisher = {mathdoc}, volume = {182}, number = {3}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1968_182_3_a21/} }