de la Peña-Auerbach, L., and A. M. Cetto. “A New Formulation of Stochastic Theory and Quantum Mechanics. General Integration of the Fundamental Equations”. Revista Mexicana De Física, vol. 17, no. 4, Jan. 1968, pp. 327-35, https://rmf.smf.mx/ojs/index.php/rmf/article/view/922.