%0 Journal Article %A L. D. Kudryavtsev %T Some boundary value problems for ordinary differential equations %J Doklady Akademii Nauk %D 1983 %P 37-42 %V 271 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1983_271_1_a7/ %G ru %F DAN_1983_271_1_a7