@article{ARM_1985__21_2_a0,
     author = {Simeonov, Pavel S. and Bajnov, Drumi Dimitrov},
     title = {{\CYRP}{\cyrr}{\cyri}{\cyrm}{\cyre}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyre} {\cyrm}{\cyre}{\cyrt}{\cyro}{\cyrd}{\cyra} {\cyrd}{\cyrv}{\cyru}{\cyrs}{\cyrt}{\cyro}{\cyrr}{\cyro}{\cyrn}{\cyrn}{\cyri}{\cyrh} {\cyrp}{\cyrr}{\cyri}{\cyrb}{\cyrl}{\cyri}{\cyrzh}{\cyre}{\cyrn}{\cyri}{\cyrishrt} {\cyrk} {\cyri}{\cyrs}{\cyrs}{\cyrl}{\cyre}{\cyrd}{\cyro}{\cyrv}{\cyra}{\cyrn}{\cyri}{\cyryu} {\cyrp}{\cyre}{\cyrr}{\cyri}{\cyro}{\cyrd}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrh} {\cyrs}{\cyri}{\cyrs}{\cyrt}{\cyre}{\cyrm}},
     journal = {Archivum mathematicum},
     pages = {65--75},
     publisher = {mathdoc},
     volume = {21},
     number = {2},
     year = {1985},
     mrnumber = {817548},
     zbl = {0587.34034},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ARM_1985__21_2_a0/}
}