KANGUZHIN, B. Propagation of nonsmooth waves along a star graph with fixed boundary vertices. Eurasian Mathematical Journal, [S. l.], v. 16, n. 4, p. 45–53, 2025. Disponível em: https://emj.enu.kz/index.php/main/article/view/876. Acesso em: 7 jan. 2026.