@article{IPM_1989__9_6_69009,
     author = {E.B. {\CYRL}{\cyrya}{\cyrm}{\cyri}{\cyrn}},
     title = {{\CYRO}{\cyrb} {\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrm} {\cyrn}{\cyre}{\cyrr}{\cyre}{\cyrl}{\cyra}{\cyrk}{\cyrs}{\cyra}{\cyrc}{\cyri}{\cyro}{\cyrn}{\cyrn}{\cyro}{\cyrm} {\cyrp}{\cyrr}{\cyro}{\cyrc}{\cyre}{\cyrs}{\cyrs}{\cyre} {\cyrv} {\cyrm}{\cyre}{\cyrt}{\cyro}{\cyrd}{\cyra}{\cyrh} {\cyrv}{\cyro}{\cyrz}{\cyrm}{\cyro}{\cyrzh}{\cyrn}{\cyrery}{\cyrh} {\cyrn}{\cyra}{\cyrp}{\cyrr}{\cyra}{\cyrv}{\cyrl}{\cyre}{\cyrn}{\cyri}{\cyrishrt}},
     journal = {Issledovanija po prikladnoj matematike},
     pages = {43--47},
     publisher = {mathdoc},
     volume = {9},
     number = {6},
     year = {1989},
     zbl = {0678.65043},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IPM_1989__9_6_69009/}
}