AntonioukA. Val., and AntonioukA. Vict. “Nonlinear-Estimate Approach to the Regularity of Infinite-Dimensional Parabolic Problems”. Ukrains’kyi Matematychnyi Zhurnal 58, no. 5 (May 25, 2006): 579–596. Accessed November 22, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/3477.