Notas de Matemática - N° 210 http://www.saber.ula.ve/handle/123456789/4737 2000 2026-05-27T12:22:25Z On the class A NN0 (H). http://www.saber.ula.ve/handle/123456789/22732 On the class A NN0 (H). Chacón Guerrero, Gerardo Antonio 2006-06-21T09:00:00Z Notas de Matemática http://www.saber.ula.ve/handle/123456789/22731 Notas de Matemática 2006-06-21T09:00:00Z