Jiang, Y., Q. Zhang, and N. Huang. “Fractional Stochastic Evolution Hemivariational Inequalities and Optimal Controls”. Topological Methods in Nonlinear Analysis, vol. 55, no. 2, June 2020, pp. 493-15, https://apcz.umk.pl/TMNA/article/view/TMNA.2019.090.