2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/109326The conformability of angular observales (angular momentum and azimuthal angle) with the mathematical rules of quantum mechanics is a question which still rouses debates. It is valued negatively within the existing approaches which are restricted by two amendable presumptions. If the respective presumptions are removed one can obtain a general approach in which the mentioned question is valued positively.15 pages LaTeXQuantum Physicstext