%0 Journal Article %A R. V. Duduchava %T Convolution integral operators on a~quadrant with discontinuous symbols %J Izvestiya. Mathematics %D 1976 %P 371-392 %V 10 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1976_10_2_a8/ %G en %F IM2_1976_10_2_a8