D. M. Reyna-Muñoz, M. A. Reyes, and A. Fernández-Téllez, “On the quantum problem with harmonic, Stark, Coulombian and centrifugal barrier potential terms, and biconfluent Heun functions”, Rev. Mex. Fis. E, vol. 21, no. 1 Jan-Jun, pp. 010209 1–, Jan. 2024.