2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/84066The 4-D theory with connection components Gamma^k_{mn} as field variables and module of squared curvature |R^k_{lmn}R^{lmn}_k| as Lagrangian is described. The Maxwell equations, the Lorentz condition and the gravity field equation, that agrees with Newton's theory, result from equations of motion.7 pagesGeneral Physicstext