http://www.saber.ula.ve/handle/123456789/4679 1999 Sun, 03 May 2026 14:59:24 GMT 2026-05-03T14:59:24Z http://www.saber.ula.ve/handle/123456789/22615 Existence of bounded solutions. Leiva A., Hugo Antonio Thu, 11 May 2006 09:00:00 GMT http://www.saber.ula.ve/handle/123456789/22615 2006-05-11T09:00:00Z http://www.saber.ula.ve/handle/123456789/22616 Notas de Matemática Thu, 11 May 2006 09:00:00 GMT http://www.saber.ula.ve/handle/123456789/22616 2006-05-11T09:00:00Z