Shi, Yingguang \(L_ p\) \((1\leq p\leq\infty)\) approximation by an \(n\)-dimensional subspace on a set of \(n+1\) points. (English) Zbl 0792.41025 Acta Math. Sci. 13, No. 4, 430-436 (1993). MSC: 41A65 41A50 × Cite Format Result Cite Review PDF
Shi, Yingguang On problem 24 of P. Turán. II. (English) Zbl 0777.41002 J. Math. Res. Expo. 13, No. 1, 55-60 (1993). MSC: 41A05 41A20 42C05 × Cite Format Result Cite Review PDF
Shi, Yingguang; Dunham, C. B. Application of Chebyshev sets to multiproducts. (English) Zbl 0769.41026 Approximation Theory Appl. 9, No. 1, 76-81 (1993). MSC: 41A50 × Cite Format Result Cite Review PDF