P. Hà, T. H. Nguyễn, and T. N. H. Vụ, “Integral manifolds for semilinear evolution equations and admissibility of function spaces”, Ukr. Mat. Zhurn., vol. 64, no. 6, pp. 772–796, Jun. 2012, Accessed: Dec. 05, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/2616