@article{IPM_1989__12_2_69054,
     author = {{\CYRR}.{\CYRF}. {\CYRH}{\cyra}{\cyrb}{\cyri}{\cyrb}{\cyru}{\cyrl}{\cyrl}{\cyri}{\cyrn}},
     title = {{\CYRS}{\cyru}{\cyrb}{\cyrg}{\cyrr}{\cyra}{\cyrd}{\cyri}{\cyre}{\cyrn}{\cyrt}{\cyrn}{\cyrery}{\cyrishrt} {\cyrm}{\cyre}{\cyrt}{\cyro}{\cyrd} {\cyrm}{\cyri}{\cyrn}{\cyri}{\cyrm}{\cyri}{\cyrz}{\cyra}{\cyrc}{\cyri}{\cyri} {\cyrv}{\cyrery}{\cyrp}{\cyru}{\cyrk}{\cyrl}{\cyrery}{\cyrh} {\cyrf}{\cyru}{\cyrn}{\cyrk}{\cyrc}{\cyri}{\cyro}{\cyrn}{\cyra}{\cyrl}{\cyro}{\cyrv} {\cyri} {\cyro}{\cyrc}{\cyre}{\cyrn}{\cyrk}{\cyri} {\cyre}{\cyrg}{\cyro} {\cyrerev}{\cyrf}{\cyrf}{\cyre}{\cyrk}{\cyrt}{\cyri}{\cyrv}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyri}},
     journal = {Issledovanija po prikladnoj matematike},
     pages = {25--35},
     publisher = {mathdoc},
     volume = {12},
     number = {2},
     year = {1989},
     zbl = {0688.90044},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IPM_1989__12_2_69054/}
}