@article{MI_1986__88_189855,
     author = {{\CYRN}.{\CYRV}. {\CYRZH}{\cyri}{\cyrt}{\cyra}{\cyrr}{\cyra}{\cyrsh}{\cyru}},
     title = {{\CYRO} {\cyrf}{\cyro}{\cyrr}{\cyrm}{\cyru}{\cyrl}{\cyre} {\cyrch}{\cyra}{\cyrs}{\cyrt}{\cyri}{\cyrch}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyri} {\cyrp}{\cyro}{\cyrl}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyrk}{\cyro}{\cyrm}{\cyrm}{\cyru}{\cyrt}{\cyri}{\cyrr}{\cyro}{\cyrv}{\cyra}{\cyrn}{\cyri}{\cyrya} {\cyro}{\cyrp}{\cyre}{\cyrr}{\cyra}{\cyrt}{\cyro}{\cyrr}{\cyro}{\cyrv} ${\mathcal {L}}(x,t,D_x,D_t)$ {\cyri} $\ensuremath{\theta} (x_n)\ensuremath{\theta} (t)$, {\cyrm}{\cyro}{\cyrd}{\cyre}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrishrt} {\cyrf}{\cyro}{\cyrr}{\cyrm}{\cyru}{\cyrl}{\cyre} {{\CYRG}{\cyrr}{\cyri}{\cyrn}{\cyra}} {\cyri} {\cyrd}{\cyrv}{\cyro}{\cyrishrt}{\cyrn}{\cyro}{\cyrm} {\cyrp}{\cyrr}{\cyre}{\cyro}{\cyrb}{\cyrr}{\cyra}{\cyrz}{\cyro}{\cyrv}{\cyra}{\cyrn}{\cyri}{\cyri} {{\CYRL}{\cyra}{\cyrp}{\cyrl}{\cyra}{\cyrs}{\cyra}}},
     journal = {Matemati\v{c}eskie issledovani\^a},
     pages = {32--39},
     publisher = {mathdoc},
     volume = {88},
     year = {1986},
     zbl = {0601.47042},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MI_1986__88_189855/}
}