2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/122816This report gives an outline of current-current type interaction between self-gravitating bosons and fermions.Report formerly published in the proceedings of XVI Brazilian National Meeting on Particles and Fields, Caxambu-MG, Brazil, October 24-28, 1995. This 2006 version corresponds to the original 1996 one, and has been specially prepared just to insertion in the ArXiv for register adjustmentAstrophysicstext