@article{ARM_1991__27_1-2_a5,
     author = {Laskin, M. B.},
     title = {{\CYRO}{\cyrb}{\cyro}{\cyrs}{\cyrn}{\cyro}{\cyrv}{\cyra}{\cyrn}{\cyri}{\cyre} {\cyrs}{\cyrh}{\cyro}{\cyrd}{\cyri}{\cyrm}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyrm}{\cyre}{\cyrt}{\cyro}{\cyrd}{\cyra} {{\CYRB}{\cyrr}{\cyra}{\cyru}{\cyrn}{\cyra}} {\cyrd}{\cyrl}{\cyrya} {\cyrv}{\cyrery}{\cyrp}{\cyru}{\cyrk}{\cyrl}{\cyro}-{\cyrv}{\cyro}{\cyrg}{\cyrn}{\cyru}{\cyrt}{\cyrery}{\cyrh} {\cyrf}{\cyru}{\cyrn}{\cyrk}{\cyrc}{\cyri}{\cyrishrt} {\cyrs} {\cyrp}{\cyro}{\cyrm}{\cyro}{\cyrshch}{\cyrsftsn}{\cyryu} {\cyrf}{\cyru}{\cyrn}{\cyrk}{\cyrc}{\cyri}{\cyri} {{\CYRL}{\cyrya}{\cyrp}{\cyru}{\cyrn}{\cyro}{\cyrv}{\cyra}}},
     journal = {Archivum mathematicum},
     pages = {43--51},
     publisher = {mathdoc},
     volume = {27},
     number = {1-2},
     year = {1991},
     mrnumber = {1189640},
     zbl = {0766.90093},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ARM_1991__27_1-2_a5/}
}