%0 Journal Article
%A T. N. Razinkova
%T Approximation of $x^k\operatorname{sign}x$ by rational fractions of a certain type
%J Vestnik Moskovskogo universiteta. Matematika, mehanika
%D 1988
%P 55-58
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VMUMM_1988_4_a11/
%G ru
%F VMUMM_1988_4_a11