References

Journal of Pure and Applied Mathematics: Advances and Applications

SOME RESULTS ON F-WEAKLY CHEBYSHEV SUBSPACE IN APPROXIMATION THEORY

[1] Darapaneni Narayana and T. S. S. R. K. Rao, Some remarks on quasi-Chebyshev subspaces, J. Math. Anal. Appl. 321(1) (2006), 193-197.

[2] H. Mohebi, On quasi-Chebyshev subspaces of Banach spaces, J. Approx. Theory 107(1) (2000), 87-95.