2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/198244A cosmological model with variable G and Lambda is considered in the framework of Israel-Stewart-Hiscock (ISH) causal theory. Power law as well as inflationary solutions are obtained. The gravitational constant is found to increase with time.revised version, 6 LaTeX pagesGeneral Relativity and Quantum Cosmologytext