%0 Journal Article %A V. Shelepov %T The index of an integral operator of potential type in the space $L_p$ %J Doklady Akademii Nauk %D 1969 %P 1266-1268 %V 186 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1969_186_6_a8/ %G ru %F DAN_1969_186_6_a8