Journal of Mathematical Analysis and Applications
Journal of Mathematical Analysis and Applications > 2013 > 399 > 1 > 166-179
Journal of Mathematical Analysis and Applications > 2013 > 403 > 2 > 376-390
Journal of Mathematical Analysis and Applications > 2013 > 399 > 1 > 166-179
Journal of Mathematical Analysis and Applications > 2013 > 403 > 2 > 376-390