%0 Journal Article %A G. M. Magomedov %T Stability of a singular integral with respect to the contour of integration %J Doklady Akademii Nauk %D 1971 %P 1285-1287 %V 201 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1971_201_6_a4/ %G ru %F DAN_1971_201_6_a4