NguyenManh Hung, and PhamTrieu Duong. “On the Smoothness of a Generalized Solution of the First Initial Boundary-Value Problem for Strongly Parabolic Systems in a Cylinder With Nonsmooth Base With Respect to Time Variable”. Ukrains’kyi Matematychnyi Zhurnal 56, no. 1 (January 25, 2004): 78-87. Accessed November 24, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/3729.