%0 Journal Article %A L. L. Tsinman %T Bases of primitive-recursively closed classes of functions %J Doklady Akademii Nauk %D 1966 %P 45-48 %V 170 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1966_170_1_a10/ %G ru %F DAN_1966_170_1_a10