TYULEMISSOV, Z.; TYULEMISSOVA, A. Extending the Covariant Confined Quark Model to Describe Radial Excitations of Heavy Quarkonia. BULLETIN OF THE L.N. GUMILYOV EURASIAN NATIONAL UNIVERSITY. PHYSICS. ASTRONOMY SERIES, [S. l.], v. 153, n. 4, p. 29–40, 2025. DOI: 10.32523/2616-6836-2025-153-4-29-40. Disponível em: https://bulphysast.enu.kz/index.php/physast/article/view/469. Acesso em: 21 jan. 2026.