%0 Journal Article %A S. V. Simeonov %T Application of a method of successive approximations to the solution of certain types of functional equations %J Doklady Akademii Nauk %D 1963 %P 534-537 %V 148 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_148_3_a13/ %G ru %F DAN_1963_148_3_a13