%0 Journal Article %A È. M. Aksen' %A N. J. Yurchuk %T An a priori estimate for the quasi-inversion method %J Differencialʹnye uravneniâ %D 1993 %P 1447-1450 %V 29 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1993_29_8_a19/ %G ru %F DE_1993_29_8_a19