2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/33763We use a metric of the type Friedmann-Robertson-Walker to obtain new exact solutions of Einstein equations for a scalar and massive field. The solutions have a permanent or transitory inflationary behavior.06 pages, Latex 2.09, no figuresGeneral Relativity and Quantum Cosmologytext