TRYNIN, Alexandr. Method for solving mixed boundary value problems for parabolic type equations by using modifications Lagrange-Sturm-Liouville operators. Modern Mathematical Methods, [S. l.], v. 2, n. 3, p. 172–188, 2024. Disponível em: https://modernmathmeth.com/index.php/pub/article/view/37. Acesso em: 3 apr. 2025.