Journal of Approximation Theory
Journal of Approximation Theory > 2011 > 163 > 1 > 22-40
Journal of Approximation Theory > 2011 > 163 > 2 > 99-116
Journal of Approximation Theory > 2011 > 163 > 4 > 554-567
Journal of Approximation Theory > 2011 > 163 > 5 > 623-639
Journal of Approximation Theory > 2011 > 163 > 11 > 1675-1691