%0 Journal Article
%A E. P. Dolzhenko
%A E. A. Sevast'yanov
%T Approximation by rational functions in integral metrics and differentiability in the mean
%J Matematičeskie zametki
%D 1974
%P 801-811
%V 16
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1974_16_5_a14/
%G ru
%F MZM_1974_16_5_a14