LITOVCHENKO, V. A.; STRYBKO, O. V. Principle of localization of solutions of the Cauchy problem for one class of degenerate parabolic equations of Kolmogorov type. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 62, n. 11, p. 1473–1489, 2010. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2972. Acesso em: 5 dec. 2025.