@article{IPM_1974__2_68917,
     author = {{\CYRI}.{\CYRK}. {\CYRV}{\cyro}{\cyrl}{\cyrk}{\cyro}{\cyrv} and {\CYRV}.{\CYRA}. {\CYRCH}{\cyru}{\cyrg}{\cyru}{\cyrn}{\cyro}{\cyrv} and {\CYRA}.{\CYRN}. {\CYRS}{\cyra}{\cyrl}{\cyra}{\cyrm}{\cyra}{\cyrt}{\cyri}{\cyrn}},
     title = {{\CYRO}{\cyrb}{\cyro}{\cyrb}{\cyrshch}{\cyre}{\cyrn}{\cyri}{\cyre} {\cyrm}{\cyre}{\cyrt}{\cyro}{\cyrd}{\cyra} {\cyri}{\cyrn}{\cyrt}{\cyre}{\cyrg}{\cyrr}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyrh} {\cyrs}{\cyro}{\cyro}{\cyrt}{\cyrn}{\cyro}{\cyrsh}{\cyre}{\cyrn}{\cyri}{\cyrishrt} {\cyri} {\cyrp}{\cyrr}{\cyri}{\cyrm}{\cyre}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyre} {\cyre}{\cyrg}{\cyro} {\cyrk} {\cyrn}{\cyre}{\cyrk}{\cyro}{\cyrt}{\cyro}{\cyrr}{\cyrery}{\cyrm} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyra}{\cyrm} {\cyrt}{\cyre}{\cyrp}{\cyrl}{\cyro}{\cyrp}{\cyrr}{\cyro}{\cyrv}{\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyri}},
     journal = {Issledovanija po prikladnoj matematike},
     pages = {18--34},
     publisher = {mathdoc},
     volume = {2},
     year = {1974},
     zbl = {0319.35044},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IPM_1974__2_68917/}
}