%0 Journal Article %A V. Ivanov %T The solution of operator equations that are not well-posed %J Informatics and Automation %D 1971 %P 232-240 %V 112 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1971_112_a14/ %G ru %F TRSPY_1971_112_a14