H. G. Díaz-Marín, E. López-González, and O. Osuna, “Potentials for solenoidal fields using the three-dimensional $\varphi$-harmonic cyclic algebra”, Ukr. Mat. Zhurn., vol. 76, no. 11, pp. 1584–1601, Aug. 2025, doi: 10.3842/umzh.v76i11.7982.