POPOV, B. S. LINEARIZATION OF A PRODUCT OF Q-APPELL POLYNOMIALS. Matematichki Bilten, [S. l.], v. 15, n. 1, p. 33–34, 1991. Disponível em: https://bilten.smm.org.mk/index.php/bilten/article/view/1976. Acesso em: 4 sep. 2026.