%0 Journal Article %A Olivier Cinquin %A Jacques Demongeot %T Roles of positive and negative feedback in biological systems %J Comptes Rendus. Biologies %D 2002 %P 1085-1095 %V 325 %N 11 %I Elsevier %R 10.1016/S1631-0691(02)01533-0 %G en %F CRBIOL_2002__325_11_1085_0