Ahmad Khan, Mumtaz, y Bahman Alidad. Three Variable Analogue of Boas and Buck Type Generating Functions and Its Generalizations to M-Variables. Pro Mathematica 26, no. 51-52 (marzo 5, 2012): 11-33. Accedido mayo 3, 2024. https://revistas.pucp.edu.pe/index.php/promathematica/article/view/8534.