Solution of the heat equation with a discontinuous coefficient with nonlocal boundary conditions by the Fourier method. Kazakh Mathematical Journal, [S. l.], v. 24, n. 4, p. 63–76, 2025. DOI: 10.70474/4sw3g811. Disponível em: https://mathjournal.kz/index.php/kmj/article/view/23. Acesso em: 31 jan. 2025.