On generalized nonlinear variational-like inequality problems. - Rais Ahmad; Syed Shakaib Irfan (Appl. Math. Lett., 2006)

Completely Generalized Multivalued Nonlinear Co-Quasi-Variational-Like Inclusions. - Rais Ahmad; Syed Shakaib Irfan (Comput. Math. Appl., 2006)

Generalized multivalued vector variational-like inequalities. - Syed Shakaib Irfan; Rais Ahmad (J. Glob. Optim., 2010)