Journal of Computational and Applied Mathematics
Journal of Computational and Applied Mathematics > 2001 > 133 > 1-2 > 579-591
Journal of Computational and Applied Mathematics > 2001 > 133 > 1-2 > 489-493
Journal of Computational and Applied Mathematics > 2001 > 133 > 1-2 > 195-205
Journal of Computational and Applied Mathematics > 2001 > 135 > 2 > 293-301