%0 Journal Article %A D. V. Ionescu %T Representation as a double integral of the divided difference of order $(m,n)$ of a function of two variables.~II %J Doklady Akademii Nauk %D 1961 %P 1294-1297 %V 141 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1961_141_6_a3/ %G ru %F DAN_1961_141_6_a3