%0 Journal Article %A V. V. Napalkov %T An equation of convolution type on convex domains in~$\mathbf R^2$ %J Sbornik. Mathematics %D 1974 %P 169-184 %V 23 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1974_23_2_a1/ %G en %F SM_1974_23_2_a1