LIU, Zhenhai and ZENG, Biao. Existence results for a class of hemivariational inequalities involving the stable $(g,f,\alpha)$-quasimonotonicity. Topological Methods in Nonlinear Analysis. Online. 1 March 2016. Vol. 47, no. 1, pp. 195 - 217. [Accessed 22 July 2024]. DOI 10.12775/TMNA.2016.002.