%0 Journal Article %A A. A. Abramov %T The boundary conditions at the singular point for systems of linear ordinary differential equations %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1971 %P 275-278 %V 11 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1971_11_1_a28/ %G ru %F ZVMMF_1971_11_1_a28