%0 Journal Article %A È. Muhamadiev %A A. Naimov %T On the theory of two-point boundary value problems for second-order differential equations %J Differencialʹnye uravneniâ %D 1999 %P 1372-1381 %V 35 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1999_35_10_a9/ %G ru %F DE_1999_35_10_a9