Nguyen, M.H. and Pham, T.D. (2004) “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(1), pp. 78–87. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/3729 (Accessed: 5 December 2025).