Díaz-Marín, H.G. et al. 2024. Potentials for solenoidal fields using the three-dimensional $\varphi$-harmonic cyclic algebra. Ukrains’kyi Matematychnyi Zhurnal. 76, 11 (Nov. 2024), 1584–1601. DOI:https://doi.org/10.3842/umzh.v76i11.7982.