Journal of Approximation Theory
Journal of Approximation Theory > 1997 > 91 > 3 > 368-385
Journal of Approximation Theory > 1997 > 91 > 3 > 279-319
Journal of Approximation Theory > 1997 > 91 > 3 > 368-385
Journal of Approximation Theory > 1997 > 91 > 3 > 279-319