[1] |
Hobby, C. R.; Rice, J. R., Approximation from a Curve of Functions, Arch. Rat. Mech. Anal., 24, 91-106 (1967) · Zbl 0187.32602 |
[2] |
de Boor, C., On the approximation by γ-polynomials, (Schoenberg, I. J., Approximation with Special Emphasis on Spline Functions (1969)), 157-183, New York · Zbl 0273.41014 |
[3] |
Barrar, R. B.; Loeb, H. L., On the Existence of Closest Points for Nonlinear Approximating Families, Z. Hamburger Abhandlungen, 36, 33-41 (1971) · Zbl 0224.41005 |
[4] |
Barrar, R. B.; Loeb, H. L., Nonlinear \(L_p\) Approximation, J. Math. Anal. Appl., 40, 427-435 (1972) · Zbl 0243.41017 |
[5] |
Karlin, S., (Total Positivity, Vol. 1 (1968), Stanford University Press: Stanford University Press Stanford, California) · Zbl 0219.47030 |
[6] |
Karlin, S.; Studden, W., Tchebycheff Systems: With applications in Analysis and Statistics (1966), Interscience: Interscience New York · Zbl 0153.38902 |
[7] |
Barrar, R. B.; Loeb, H. L., On the Convergence in Measure of Nonlinear Tchebyscheff Approximations, Numer. Math., 14, 305-312 (1970) · Zbl 0192.42003 |
[8] |
Polya, G.; Szego, G., Aufgaben und lehrsatze der Analysis (1960), Springer: Springer Berlin-Gottingen, Heidelberg · JFM 51.0173.01 |
[9] |
Henrici, P., Elements of Numerical Analysis (1964), Wiley: Wiley New York · Zbl 0149.10901 |
[10] |
Cheney, E. W., Introduction to Approximation Theory (1966), McGraw-Hill: McGraw-Hill New York · Zbl 0161.25202 |
[11] |
Schmidt, E., Zur Kompaktheit bei Exponentialsummen, J. Approximation Theory, 3, 445-454 (1970) · Zbl 0212.09103 |