%0 Journal Article %A O. V. Viskov %T Operator characterization of generalized Appell polynomials %J Doklady Akademii Nauk %D 1975 %P 749-752 %V 225 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1975_225_4_a1/ %G ru %F DAN_1975_225_4_a1