Journal of Mathematical Analysis and Applications
Journal of Mathematical Analysis and Applications > 1999 > 232 > 1 > 166-182
Journal of Mathematical Analysis and Applications > 1999 > 235 > 1 > 151-158
Journal of Mathematical Analysis and Applications > 1999 > 232 > 1 > 166-182
Journal of Mathematical Analysis and Applications > 1999 > 235 > 1 > 151-158