Notas de Matemática - N° 206 2000 http://www.saber.ula.ve/handle/123456789/4718 2026-05-01T19:29:23Z 2026-05-01T19:29:23Z Stable periodic orbits for a predator - prey model with delay. Cavani, Mario Lizana Peña, Marcos Smith, Hal L. http://www.saber.ula.ve/handle/123456789/22694 2018-03-14T07:54:52Z 2006-06-08T09:00:00Z Stable periodic orbits for a predator - prey model with delay. Cavani, Mario; Lizana Peña, Marcos; Smith, Hal L. 2006-06-08T09:00:00Z Notas de Matemática http://www.saber.ula.ve/handle/123456789/22693 2018-03-14T07:54:51Z 2006-06-08T09:00:00Z Notas de Matemática 2006-06-08T09:00:00Z