2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/80144We obtain the general solution of the functional equation introduced by Ruijsenaars guaranteeing the commutativity of n operators associated with the quantum Ruijsenaars-Schneider models.13 pages LaTexExactly Solvable and Integrable SystemsMathematical Physicstext