ASYMPTOTICS OF THE EIGENVALUES OF A PERIODIC BOUNDARY VALUE PROBLEM FOR A DIFFERENTIAL OPERATOR OF ODD ORDER WITH SUMMABLE OPERATOR. ҚазҰУ Хабаршысы. Математика, механика, информатика сериясы, [S. l.], v. 110, n. 2, p. 3–17, 2021. DOI: 10.26577/JMMCS.2021.v110.i2.01. Disponível em: https://bm.kaznu.kz/index.php/kaznu/article/view/935. Acesso em: 5 jul. 2026.