%0 Journal Article
%A A. D. Izaak
%T Widths of H\"older--Nikol'skij classes and finite-dimensional subsets in spaces with mixed norm
%J Matematičeskie zametki
%D 1996
%P 459-461
%V 59
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1996_59_3_a17/
%G ru
%F MZM_1996_59_3_a17