%0 Journal Article
%A S. A. Rybalka
%T Solution of extremal problems in the case of piecewise-smooth approximation of polygons
%J Sibirskij žurnal industrialʹnoj matematiki
%D 2006
%P 126-134
%V 9
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SJIM_2006_9_1_a10/
%G ru
%F SJIM_2006_9_1_a10