DEGTYAREV, S. P. On the instantaneous shrinking of the support of a solution to the Cauchy problem for an anisotropic parabolic equation. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 61, n. 5, p. 625–640, 2009. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3046. Acesso em: 5 dec. 2025.