%0 Journal Article %A V. V. Klyuchev %T The necessary and sufficient conditions for the qualified convergence of difference methods for approximate solution of the ill-posed Cauchy problem in a~Banach space %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2009 %P 56-60 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2009_4_a7/ %G ru %F IVM_2009_4_a7