@article{01016569,
title = {On the approximation numbers of large Toeplitz matrices.},
journal = {Documenta Mathematica},
volume = {2},
year = {1997},
pages = {1-29},
zbl = {0873.47014},
language = {en},
url = {http://dml.mathdoc.fr/item/01016569}
}
Böttcher, A. On the approximation numbers of large Toeplitz matrices.. Documenta Mathematica, Tome 2 (1997) pp. 1-29. http://gdmltest.u-ga.fr/item/01016569/