L-State Analytical Solution of the Klein-Gordon Equation with Position Dependent Mass Using Modified Deng-Fan Plus Exponential Molecular Potentials via Nikiforov-Uvarov Method

World Scientific News, Tom 89 (2017) s. 64-70
B. I. Ita, H. Louis, P. I. Amos, I. Joseph, N. A. Nzeata-Ibe, T. O. Magu, H. Disho