@article{IPM_1989__16_6_69104,
     author = {{\CYRI}.{\CYRB}. {\CYRB}{\cyra}{\cyrd}{\cyrr}{\cyri}{\cyre}{\cyrv} and {\CYRO}.{\CYRV}. {\CYRP}{\cyra}{\cyrn}{\cyrk}{\cyrr}{\cyra}{\cyrt}{\cyro}{\cyrv}{\cyra}},
     title = {{\CYRS}{\cyrm}{\cyre}{\cyrsh}{\cyra}{\cyrn}{\cyrn}{\cyrery}{\cyrishrt} {\cyrm}{\cyre}{\cyrt}{\cyro}{\cyrd} {\cyrk}{\cyro}{\cyrn}{\cyre}{\cyrch}{\cyrn}{\cyrery}{\cyrh} {\cyrerev}{\cyrl}{\cyre}{\cyrm}{\cyre}{\cyrn}{\cyrt}{\cyro}{\cyrv} {\cyrd}{\cyrl}{\cyrya} {\cyrn}{\cyre}{\cyrl}{\cyri}{\cyrn}{\cyre}{\cyrishrt}{\cyrn}{\cyrery}{\cyrh} {\cyrs}{\cyrt}{\cyra}{\cyrc}{\cyri}{\cyro}{\cyrn}{\cyra}{\cyrr}{\cyrn}{\cyrery}{\cyrh} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch} {\cyrt}{\cyre}{\cyro}{\cyrr}{\cyri}{\cyri} {\cyrf}{\cyri}{\cyrl}{\cyrsftsn}{\cyrt}{\cyrr}{\cyra}{\cyrc}{\cyri}{\cyri}},
     journal = {Issledovanija po prikladnoj matematike},
     pages = {17--34},
     publisher = {mathdoc},
     volume = {16},
     number = {6},
     year = {1989},
     zbl = {0850.76341},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IPM_1989__16_6_69104/}
}