On general vector quasi-optimization problems. - Angelo Guerraggio; Nguyen Xuan Tan (Math. Methods Oper. Res., 2002)

On the existence of solutions to systems of vector quasi-optimization problems. - Nguyen Xuan Tan (Math. Methods Oper. Res., 2004)

On quasivariational inclusion problems of type I and related problems. - Lai-Jiu Lin 001; Nguyen Xuan Tan (J. Glob. Optim., 2007)

On the existence of solutions to generalized quasi-equilibrium problems. - Truong Thi Thuy Duong; Nguyen Xuan Tan (J. Glob. Optim., 2012)