%0 Journal Article %A M. I. Gil' %T Estimation of the norm of the resolvent of a~completely continuous operator %J Matematičeskie zametki %D 1979 %P 713-717 %V 26 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1979_26_5_a6/ %G ru %F MZM_1979_26_5_a6