M. N. GAIKWAD; NITIN J. WANGE. Analytical Solution for Three-Dimensional Transient Heat Conduction in a Multilayer Sphere. International Journal of Mathematics And its Applications, [S. l.], v. 5, n. 2 - B, p. 301–313, 2017. Disponível em: https://ijmaa.in/index.php/ijmaa/article/view/822. Acesso em: 3 jul. 2024.