Díaz-Marín, Homero G., Elifalet López-González, and Osvaldo Osuna. “Potentials for Solenoidal Fields Using the Three-Dimensional $\varphi$-Harmonic Cyclic Algebra”. Ukrains’kyi Matematychnyi Zhurnal 76, no. 11 (November 29, 2024): 1584–1601. Accessed April 7, 2025. https://umj.imath.kiev.ua/index.php/umj/article/view/7982.