Horodets’kyiV., PetryshynR., and MartynyukO. “Evolutionary Pseudodifferential Equations With Smooth Symbols in the $S$-Type Spaces”. Ukrains’kyi Matematychnyi Zhurnal 75, no. 6 (June 20, 2023): 753 - 776. Accessed October 6, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/7443.