BEKBOLAT, B.; TOKMAGAMBETOV, N. Well-posedness results for the wave equation generated by the Bessel operator. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 101, n. 1, p. 11–16, 2021. DOI: 10.31489/2021m1/11-16. Disponível em: http://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/409. Acesso em: 10 jul. 2025.