%0 Journal Article %A M. Otelbaev %T On the Titchmarsh method of estimating a resolvent %J Doklady Akademii Nauk %D 1973 %P 787-790 %V 211 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1973_211_4_a8/ %G ru %F DAN_1973_211_4_a8