%0 Journal Article %A A. S. Leonov %T On the choice of regularization parameters by means of the quasi- optimality and ratio criteria %J Doklady Akademii Nauk %D 1978 %P 18-20 %V 240 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1978_240_1_a2/ %G ru %F DAN_1978_240_1_a2