2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/144614We present a new complex non-stationary particle-like solution of the non-linear Klein-Gordon equation with several spatial variables. The construction is based on reduction to an ordinary differential equation.4 pages, 1 figureHigh Energy Physics - TheoryMathematical PhysicsExactly Solvable and Integrable Systemstext