%0 Journal Article %A I. V. Tikhonov %T On the solvability of a problem with a nonlocal integral condition for a differential equation in a Banach space %J Differencialʹnye uravneniâ %D 1998 %P 841-843 %V 34 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1998_34_6_a18/ %G ru %F DE_1998_34_6_a18