Blossoming beyond Extended Chebyshev Spaces

@article{Goodman2001BlossomingBE,
  title={Blossoming beyond Extended Chebyshev Spaces},
  author={Tim N. T. Goodman and Marie-Laurence Mazure},
  journal={Journal of Approximation Theory},
  year={2001},
  volume={109},
  pages={48-81}
}