@article{MI_1990__112_190080,
     author = {{\CYRN}.{\CYRV}. {\CYRZH}{\cyri}{\cyrt}{\cyra}{\cyrr}{\cyra}{\cyrsh}{\cyru}},
     title = {$L_2$-{\cyrt}{\cyre}{\cyro}{\cyrr}{\cyri}{\cyrya} {\cyro}{\cyrb}{\cyro}{\cyrb}{\cyrshch}{\cyre}{\cyrn}{\cyrn}{\cyrery}{\cyrh} {\cyrr}{\cyre}{\cyrsh}{\cyre}{\cyrn}{\cyri}{\cyrishrt} {\cyro}{\cyrb}{\cyrshch}{\cyri}{\cyrh} {\cyrl}{\cyri}{\cyrn}{\cyre}{\cyrishrt}{\cyrn}{\cyrery}{\cyrh} {\cyrp}a{\cyrr}{\cyra}{\cyrb}{\cyro}{\cyrl}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyri}{\cyrh} {\cyrg}{\cyrr}{\cyra}{\cyrn}{\cyri}{\cyrch}{\cyrn}{\cyrery}{\cyrh} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch}},
     journal = {Matemati\v{c}eskie issledovani\^a},
     pages = {104--115},
     publisher = {mathdoc},
     volume = {112},
     year = {1990},
     zbl = {0825.35060},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MI_1990__112_190080/}
}