%0 Journal Article %A A. M. Fedotov %A O. V. Levchuk %T Optimal estimates of linear functionals of solutions of operator %J Doklady Akademii Nauk %D 1986 %P 63-66 %V 287 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1986_287_1_a13/ %G ru %F DAN_1986_287_1_a13