%0 Journal Article %A Tewfik Sari %T A Lyapunov function for the chemostat with variable yields %J Comptes Rendus. Mathématique %D 2010 %P 747-751 %V 348 %N 13-14 %I Elsevier %R 10.1016/j.crma.2010.06.008 %G en %F CRMATH_2010__348_13-14_747_0