Search results for: Guizhen Liu
Open Mathematics > 2013 > 11 > 2 > 308-321
Central European Journal of Mathematics > 2013 > 11 > 2 > 308-321
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