%0 Journal Article %A L. N. Lyakhov %T On a symbol of an integral operator of $B$-potential type with a %J Doklady Akademii Nauk %D 1996 %P 164-168 %V 351 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1996_351_2_a4/ %G ru %F DAN_1996_351_2_a4