HàP., NguyễnT. H., and VụT. N. H. “Integral Manifolds for Semilinear Evolution Equations and Admissibility of Function Spaces”. Ukrains’kyi Matematychnyi Zhurnal, Vol. 64, no. 6, June 2012, pp. 772-96, https://umj.imath.kiev.ua/index.php/umj/article/view/2616.