http://www.saber.ula.ve/handle/123456789/4739 1998 Fri, 22 May 2026 00:30:51 GMT 2026-05-22T00:30:51Z http://www.saber.ula.ve/handle/123456789/22736 On the limitations of the grothendieck techniques. Panchapagesan T., Venkataramaiyer Tue, 11 Jul 2006 09:00:00 GMT http://www.saber.ula.ve/handle/123456789/22736 2006-07-11T09:00:00Z http://www.saber.ula.ve/handle/123456789/22735 Notas de Matemática Tue, 11 Jul 2006 09:00:00 GMT http://www.saber.ula.ve/handle/123456789/22735 2006-07-11T09:00:00Z