Chui, Charles K.; Shisha, O.; Smith, Philip W. Best local approximation. (English) Zbl 0314.41016 J. Approximation Theory 15, 371-381 (1975). MSC: 41A50 41A20 × Cite Format Result Cite Review PDF Full Text: DOI
Chui, Charles K.; Shisha, Oved; Smith, Philip W. Padé approximants as limits of best rational approximants. (English) Zbl 0288.41007 J. Approximation Theory 12, 201-204 (1974). MSC: 41A20 41A50 × Cite Format Result Cite Review PDF Full Text: DOI