Journal of Mathematical Analysis and Applications
Journal of Mathematical Analysis and Applications > 2007 > 331 > 1 > 506-515
Journal of Mathematical Analysis and Applications > 2007 > 331 > 1 > 248-262
Journal of Mathematical Analysis and Applications > 2007 > 331 > 1 > 506-515
Journal of Mathematical Analysis and Applications > 2007 > 331 > 1 > 248-262