%0 Journal Article %A D. F. Davidenko %T Construction of difference equations for approximating the solution of the Euler--Poisson--Darboux equation %J Doklady Akademii Nauk %D 1962 %P 510-513 %V 142 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1962_142_3_a2/ %G ru %F DAN_1962_142_3_a2