Obukhovskiĭ, V., and P. Zecca. “On Some Properties of Dissipative Functional Differential Inclusions in a Banach Space”. Topological Methods in Nonlinear Analysis, vol. 15, no. 2, June 2000, pp. 369-84, https://apcz.umk.pl/TMNA/article/view/TMNA.2000.025.