Notas de Matemática - N° 170 http://www.saber.ula.ve/handle/123456789/4699 1998 2026-05-27T15:18:27Z On two open problems about embedding of modules in free modules. http://www.saber.ula.ve/handle/123456789/22656 On two open problems about embedding of modules in free modules. Rada, Juan; Saorin, Manuel 2006-06-06T09:00:00Z Notas de Matemática http://www.saber.ula.ve/handle/123456789/22655 Notas de Matemática 2006-05-31T09:00:00Z