Journal of Mathematical Analysis and Applications
Journal of Mathematical Analysis and Applications > 2008 > 338 > 2 > 1320-1328
Journal of Mathematical Analysis and Applications > 2008 > 339 > 1 > 31-44
Journal of Mathematical Analysis and Applications > 2008 > 341 > 1 > 120-130
Journal of Mathematical Analysis and Applications > 2008 > 345 > 1 > 147-164