Guseinov, I. “Use of Self-Friction Polynomials in Standard Convention and Auxiliary Functions for Construction of One-Range Addition Theorems for Noninteger Slater Type Orbitals”. Revista Mexicana De Física, vol. 62, no. 2 Mar-Apr, Jan. 2016, pp. 183-7, doi:10.31349/RevMexFis.62.2.183.