%0 Journal Article %A D. N. Zarnadze %T A~generalization of the method of least squares for operator equations in some Frechet spaces %J Izvestiya. Mathematics %D 1995 %P 935-948 %V 59 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1995_59_5_a3/ %G en %F IM2_1995_59_5_a3