%0 Journal Article %A D. L. Berman %T Generalized formula of M.~Riesz and the extension of convolution %J Doklady Akademii Nauk %D 1967 %P 999-1002 %V 174 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1967_174_5_a0/ %G ru %F DAN_1967_174_5_a0