%0 Journal Article %A I. V. Boykov %T On the approximate determination of all solutions of functional equations %J Doklady Akademii Nauk %D 1974 %P 1241-1244 %V 217 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1974_217_6_a0/ %G ru %F DAN_1974_217_6_a0