Search results for: Xu Liu
Journal of Mathematical Analysis and Applications > 2014 > 418 > 2 > 828-841
Journal of Mathematical Analysis and Applications > 2013 > 402 > 2 > 612-625
Journal of Mathematical Analysis and Applications > 2008 > 342 > 2 > 1096-1106
Journal of Mathematical Analysis and Applications > 2007 > 326 > 2 > 1149-1160