%0 Journal Article %A T. A. Mel'nik %A V. A. Plotnikov %T A generalization of a theorem of A. N. Tikhonov for quasidifferential equations %J Differencialʹnye uravneniâ %D 1997 %P 1030-1034 %V 33 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1997_33_8_a3/ %G ru %F DE_1997_33_8_a3