Search results for: Guizhen Liu
Journal of Combinatorial Optimization > 2015 > 30 > 1 > 160-173
Frontiers of Mathematics in China > 2012 > 7 > 5 > 1005-1018
Open Mathematics > 2011 > 9 > 6 > 1424-1434
Central European Journal of Mathematics > 2011 > 9 > 6 > 1424-1434