DuongP. T. “Initial Boundary-Value Problem for Parabolic Systems in Dihedral Domains”. Ukrains’kyi Matematychnyi Zhurnal 72, no. 7 (July 15, 2020): 903-917. Accessed December 4, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/1094.