%0 Journal Article %A G. I. Marchuk %A M. S. Yudin %T On the use of a priori information with the aid of conjugate equations %J Doklady Akademii Nauk %D 1978 %P 66-69 %V 243 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1978_243_1_a15/ %G ru %F DAN_1978_243_1_a15