%0 Journal Article %A E. A. Polyakov %T Impossibility of finite generation of partial recursive functions by a unary isotone operation %J Matematičeskie zametki %D 1987 %P 429-432 %V 41 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1987_41_3_a17/ %G ru %F MZM_1987_41_3_a17