%0 Journal Article
%A V. I. Burenkov
%A A. L. Gorbunov
%T Exact bounds for the minimum norm of extension operators for Sobolev spaces
%J Izvestiya. Mathematics 
%D 1997
%P 1-43
%V 61
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM2_1997_61_1_a0/
%G en
%F IM2_1997_61_1_a0