BEKBOLAT, B.; TOKMAGAMBETOV, N. On a boundedness result of non-toroidal pseudo-differential operators. International Journal of Mathematics and Physics, [S. l.], v. 9, n. 2, p. 50–55, 2018. DOI: 10.26577/ijmph.2018.v9i2.263. Disponível em: https://ijmph.kaznu.kz/index.php/kaznu/article/view/263. Acesso em: 4 may. 2024.