Román-Moreno, C., Ortega-Martínez, R., & Flores-Arvizo, C. (2003). The Wigner function in paraxial optics II. Optical diffraction pattern representation. Revista Mexicana De Física, 49(3), 290–0. Retrieved from https://rmf.smf.mx/ojs/index.php/rmf/article/view/3166