2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/14473Some analytical spherical-symmetric equilibrium solutions are cosidered in the Newtonian theory of gravitation with deviations from 1/r law. Stability of star against a first-order phase-transition is shown to be particularly influenced by the deviations of degree in the power-law potential.5 pages, 2 figuresAstrophysicstext