Journal of Mathematical Analysis and Applications
Journal of Mathematical Analysis and Applications > 2007 > 331 > 2 > 1284-1298
Journal of Mathematical Analysis and Applications > 2007 > 331 > 2 > 1425-1439
Journal of Mathematical Analysis and Applications > 2007 > 331 > 2 > 873-885
Journal of Mathematical Analysis and Applications > 2007 > 331 > 2 > 886-894