%0 Journal Article
%A M. I. Dyachenko
%T Two-dimensional Waterman classes and $u$-convergence of Fourier series
%J Sbornik. Mathematics
%D 1999
%P 955-972
%V 190
%N 7
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1999_190_7_a1/
%G en
%F SM_1999_190_7_a1