“2N Parameters Models of Finitely Many Nonrelativistic of delta’ Sphere and delta’sphere Plus Coulomb Interactions in Quantum Mechanics”. Série : Sciences Exactes et Naturelles 2, no. 31 (November 30, 2021): 24–32. Accessed February 23, 2026. https://revue.ub.edu.bi/SEN/article/view/41.