@article{IPM_1988__3_6_68941,
     author = {{\CYRA}.{\CYRV}. {\CYRS}{\cyru}{\cyrl}{\cyrsftsn}{\cyrd}{\cyri}{\cyrn}},
     title = {{\CYRZ}{\cyra}{\cyrm}{\cyre}{\cyrch}{\cyra}{\cyrn}{\cyri}{\cyre} {\cyro}{\cyrb} {\cyri}{\cyrg}{\cyrr}{\cyre} },
     journal = {Issledovanija po prikladnoj matematike},
     pages = {117--120},
     publisher = {mathdoc},
     volume = {3},
     number = {6},
     year = {1988},
     zbl = {0664.90098},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IPM_1988__3_6_68941/}
}