@article{GDZPPN002417286,
title = {Best Approximation with Exponential Orders and Intermediate Spaces.},
journal = {Mathematische Zeitschrift},
volume = {147},
year = {1976},
pages = {7-22},
zbl = {0318.41022},
url = {http://dml.mathdoc.fr/item/GDZPPN002417286}
}
Dahmen, Wolfgang; Görlich, Ernst. Best Approximation with Exponential Orders and Intermediate Spaces.. Mathematische Zeitschrift, Tome 147 (1976) pp. 7-22. http://gdmltest.u-ga.fr/item/GDZPPN002417286/