%0 Journal Article
%A A. P. Bulanov
%T Asymptotic behavior of the least deviations of the function $\operatorname{sgn}x$ from rational functions
%J Sbornik. Mathematics
%D 1975
%P 159-176
%V 25
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1975_25_2_a0/
%G en
%F SM_1975_25_2_a0