%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.~I
%J Doklady Akademii Nauk
%D 1961
%P 1026-1029
%V 141
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1961_141_5_a5/
%G ru
%F DAN_1961_141_5_a5