@article{IPM_1989__8_1_68986,
     author = {{\CYRV}.{\CYRR}. {\CYRF}{\cyra}{\cyrz}{\cyrery}{\cyrl}{\cyro}{\cyrv}},
     title = {{\CYRP}{\cyrr}{\cyro}{\cyre}{\cyrk}{\cyrt}{\cyri}{\cyrr}{\cyro}{\cyrv}{\cyra}{\cyrn}{\cyri}{\cyre} {\cyrs} $\ensuremath{\varepsilon}$-{\cyrz}{\cyra}{\cyrg}{\cyrl}{\cyru}{\cyrb}{\cyrl}{\cyre}{\cyrn}{\cyri}{\cyre}{\cyrm} {\cyri} {\cyri}{\cyrs}{\cyrp}{\cyro}{\cyrl}{\cyrsftsn}{\cyrz}{\cyro}{\cyrv}{\cyra}{\cyrn}{\cyri}{\cyre} {\cyre}{\cyrg}{\cyro} {\cyrd}{\cyrl}{\cyrya} {\cyrr}{\cyre}{\cyrsh}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrr}{\cyro}{\cyrd}{\cyrn}{\cyrery}{\cyrh} {\cyrs}{\cyri}{\cyrs}{\cyrt}{\cyre}{\cyrm} {\cyrl}{\cyri}{\cyrn}{\cyre}{\cyrishrt}{\cyrn}{\cyrery}{\cyrh} {\cyrn}{\cyre}{\cyrr}{\cyra}{\cyrv}{\cyre}{\cyrn}{\cyrs}{\cyrt}{\cyrv}},
     journal = {Issledovanija po prikladnoj matematike},
     pages = {18--22},
     publisher = {mathdoc},
     volume = {8},
     number = {1},
     year = {1989},
     zbl = {0665.15012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IPM_1989__8_1_68986/}
}