%0 Journal Article %A S. V. Pereverzev %T Optimization of approximate methods of solution of integral %J Doklady Akademii Nauk %D 1986 %P 58-62 %V 287 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1986_287_1_a12/ %G ru %F DAN_1986_287_1_a12