Agarwal, P., M. K. Ahmad, and Salahuddin. “Hybrid Type Generalized Multivalued Vector Complementarity Problems”. Ukrains’kyi Matematychnyi Zhurnal, Vol. 65, no. 1, Jan. 2013, pp. 7-20, https://umj.imath.kiev.ua/index.php/umj/article/view/2401.