Notas de Matemática - N° 045 1981 http://www.saber.ula.ve/handle/123456789/4548 2026-04-11T02:06:41Z 2026-04-11T02:06:41Z Notas de Matemática http://www.saber.ula.ve/handle/123456789/22342 2018-03-14T06:54:19Z 2006-03-07T09:00:00Z Notas de Matemática 2006-03-07T09:00:00Z A note on spectral and prespectral operators. Panchapagesan T., Venkataramaiyer http://www.saber.ula.ve/handle/123456789/22341 2018-03-14T06:54:18Z 2005-08-10T09:00:00Z A note on spectral and prespectral operators. Panchapagesan T., Venkataramaiyer 2005-08-10T09:00:00Z