@article{ARM_1975__11_3_a4,
     author = {Bajnov, Drumi Dimitrov and Milusheva, S. D.},
     title = {{\CYRO}{\cyrb} {\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrm} {\cyrv}{\cyra}{\cyrr}{\cyri}{\cyra}{\cyrn}{\cyrt}{\cyre} {\cyrm}{\cyre}{\cyrt}{\cyro}{\cyrd}{\cyra} {\cyru}{\cyrs}{\cyrr}{\cyre}{\cyrd}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrd}{\cyrl}{\cyrya} {\cyrs}{\cyri}{\cyrs}{\cyrt}{\cyre}{\cyrm} {\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} {\cyrs}{\cyrt}{\cyra}{\cyrn}{\cyrd}{\cyra}{\cyrr}{\cyrt}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyrt}{\cyri}{\cyrp}{\cyra}},
     journal = {Archivum mathematicum},
     pages = {169--173},
     publisher = {mathdoc},
     volume = {11},
     number = {3},
     year = {1975},
     mrnumber = {0477642},
     zbl = {0337.45012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ARM_1975__11_3_a4/}
}