title: [Intrinsic values of transformation systems representable by tree graphs].
mesh_terms: D002384:Catalysis; D004463:Ecology; D007700:Kinetics; D008433:Mathematics; D008954:Models, Biological; D008956:Models, Chemical; D008962:Models, Theoretical; D011854:Radiochemistry; D013816:Thermodynamics
vernacular_title: Valeurs propres des systèmes de transformation représentables par des graphes en arbres.