2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/34488The quantum evolution of a model of the universe with account of two scalar fields ({\it dilaton} and {\it inflaton}) is considered. For this case, the closed and flat models has been examined. It is shown that in both cases the realization of conditions necessary for inflation is strongly depends on coupling constant for dilaton and inflaton fields.11 pages, 4 figuresGeneral Relativity and Quantum Cosmologytext