AMEROV, T. K.; SEROV, N. I.; FUSHCHICH, V. I. Nonlocal ansatze and solutions of a nonlinear system of heat-conduction equations. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 45, n. 2, p. 293–302, 1993. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5812. Acesso em: 5 dec. 2025.