%0 Journal Article
%A P. L. Ul'yanov
%T Representation of functions by series and classes~$\varphi(L)$
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1972
%P 1-54
%V 27
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1972_27_2_a0/
%G en
%F RM_1972_27_2_a0