Ahmad Khan, M. and Alidad, B. (2012) “Three Variable Analogue of Boas and Buck Type Generating Functions and Its Generalizations to M-Variables”, Pro Mathematica, 26(51-52), pp. 11–33. Available at: https://revistas.pucp.edu.pe/index.php/promathematica/article/view/8534 (Accessed: 10 October 2026).