@article{ARM_1972__8_4_a8,
     author = {Stojanov, J. M. and Bajnov, Drumi Dimitrov},
     title = {{\CYRO} {\cyrm}{\cyre}{\cyrt}{\cyro}{\cyrd}{\cyre} {\cyru}{\cyrs}{\cyrr}{\cyre}{\cyrd}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrd}{\cyrl}{\cyrya} {\cyrs}{\cyrt}{\cyro}{\cyrh}{\cyra}{\cyrs}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrh} {\cyri} {\cyrn}{\cyrt}{\cyre}{\cyrg}{\cyrr}{\cyro}-{\cyrd}{\cyri}{\cyrf}{\cyrf}{\cyre}{\cyrr}{\cyre}{\cyrn}{\cyrc}{\cyri}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyrh} {\cyru}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrishrt}},
     journal = {Archivum mathematicum},
     pages = {213--218},
     publisher = {mathdoc},
     volume = {08},
     number = {4},
     year = {1972},
     mrnumber = {0346911},
     zbl = {0282.60036},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ARM_1972__8_4_a8/}
}