%0 Journal Article
%A Nguyen Thi Thien Hoa
%T An extremal problem for classes of convolutions that do not increase variation
%J Vestnik Moskovskogo universiteta. Matematika, mehanika
%D 1982
%P 3-7
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VMUMM_1982_5_a0/
%G ru
%F VMUMM_1982_5_a0