%0 Journal Article %A A. S. Kuzichev %T $F^n$-systems of combinatory logic. Generalized arithmetic operators %J Doklady Akademii Nauk %D 1971 %P 759-761 %V 198 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1971_198_4_a4/ %G ru %F DAN_1971_198_4_a4