ISHKIN, K.; NABIULLINA, A. A. Asymptotics of solutions of the Sturm–Liouville equation with meromorphic potential. Journal of Mathematics, Mechanics and Computer Science, [S. l.], v. 104, n. 4, p. 24–31, 2019. DOI: 10.26577/JMMCS-2019-4-m3. Disponível em: https://bm.kaznu.kz/index.php/kaznu/article/view/671. Acesso em: 22 jul. 2024.