A new local and global optimization method for mixed integer quadratic programming problems. - G. Q. Li; Zhi-You Wu; Jing Quan (Appl. Math. Comput., 2010)

Global optimality conditions and optimization methods for quadratic integer programming problems. - Zhi-You Wu; G. Q. Li; Jing Quan (J. Glob. Optim., 2011)

Necessary Optimality Conditions and New Optimization Methods for Cubic Polynomial Optimization Problems with Mixed Variables. - Zhi-You Wu; Jing Quan; G. Q. Li; Jing Tian (J. Optim. Theory Appl., 2012)