%0 Journal Article %A V. B. Lidskii %T Conditions for a complete continuity of the resolvent of a differential operator %J Doklady Akademii Nauk %D 1957 %P 28-31 %V 113 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1957_113_1_a5/ %G ru %F DAN_1957_113_1_a5