%0 Journal Article %A I. T. Kiguradze %A N. R. Lezhava %T The problem of the solvability of nonlinear two-point boundary-value problems %J Matematičeskie zametki %D 1974 %P 479-490 %V 16 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1974_16_3_a16/ %G ru %F MZM_1974_16_3_a16