%0 Journal Article
%A I. G. Perfil'eva
%T Representation of functions in $P_{\aleph_0}$ by superpositions of one-place functions and addition
%J Matematičeskie zametki
%D 1983
%P 727-733
%V 34
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1983_34_5_a8/
%G ru
%F MZM_1983_34_5_a8