%0 Journal Article
%A N. N. Andreev
%T An extremal problem for periodic functions with small support
%J Vestnik Moskovskogo universiteta. Matematika, mehanika
%D 1997
%P 29-32
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VMUMM_1997_1_a6/
%G ru
%F VMUMM_1997_1_a6