TYULEMISSOV, Z. Z.; HABYL, N.; ZHAUGASHEVA, S. A.; NURBAKOVA, G. S.; SAIDULLAEVA, G. G. Significance of confinement in covariant quark model. International Journal of Mathematics and Physics, [S. l.], v. 6, n. 1, p. 88–91, 2015. Disponível em: https://ijmph.kaznu.kz/index.php/kaznu/article/view/126. Acesso em: 2 may. 2024.