%0 Journal Article %A V. K. Egerev %T Operational method of determining certain integral characteristics %J Doklady Akademii Nauk %D 1967 %P 564-565 %V 174 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1967_174_3_a15/ %G ru %F DAN_1967_174_3_a15