Notas de Matemática - N° 215 http://www.saber.ula.ve/handle/123456789/4722 2001 2026-04-22T10:17:49Z The qualitative theory of control processes. http://www.saber.ula.ve/handle/123456789/22702 The qualitative theory of control processes. Kopeikina, Tatiana B. 2006-06-08T09:00:00Z Notas de Matemática http://www.saber.ula.ve/handle/123456789/22701 Notas de Matemática 2006-06-08T09:00:00Z