%0 Journal Article
%A P. I. Lizorkin
%A V. S. Guliev
%T Functional spaces and approximation problems on Heisenberg group
%J Informatics and Automation
%D 1992
%P 245-272
%V 201
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TRSPY_1992_201_a12/
%G ru
%F TRSPY_1992_201_a12