%0 Journal Article
%A A. M. Sedletskii
%T Projection from the spaces $E^p$ on a~convex polygon onto subspaces of periodic functions
%J Izvestiya. Mathematics 
%D 1989
%P 373-390
%V 33
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM2_1989_33_2_a7/
%G en
%F IM2_1989_33_2_a7