2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/85136In the extended (1 + 4) -dimensional space (T;X,Y,Z,S)-(time-space-interval) it is considered a model joining electromagnetic and gravitational fields. For the equations circumscribing these fields, the exact solutions appropriated to dot moving sources are found. Such solutions express through potentials Lienard-Wiechert in the extended space. Their properties are analyzed.12 Pages, No fig, 14 refGeneral Physicstext