%0 Journal Article %A Silviu-Iulian Niculescu %A Mihai Putinar %T A toric Positivstellensatz with applications to delay systems %J Comptes Rendus. Mathématique %D 2011 %P 327-329 %V 349 %N 5-6 %I Elsevier %R 10.1016/j.crma.2010.11.018 %G en %F CRMATH_2011__349_5-6_327_0