@article{MS_1979__152_2_a2,
     author = {{\CYRL}.{\CYRR}. {\CYRL}{\cyri}{\cyrs}{\cyra}{\cyrg}{\cyro}{\cyrr}},
     title = {{\CYRI}{\cyrg}{\cyrr}{\cyra} {{\CYRB}{\cyra}{\cyrn}{\cyra}{\cyrh}{\cyra}-{\CYRM}{\cyra}{\cyrz}{\cyru}{\cyrr}{\cyra}}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {218--234},
     publisher = {mathdoc},
     volume = {152},
     number = {2},
     year = {1979},
     zbl = {0426.03044},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1979__152_2_a2/}
}