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@article{MZ_1976__148_172345, author = {Wolfgang Dahmen and Ernst G\"orlich}, title = {Best {Approximation} with {Exponential} {Orders} and {Intermediate} {Spaces.}}, journal = {Mathematische Zeitschrift}, pages = {7--22}, publisher = {mathdoc}, volume = {148}, year = {1976}, zbl = {0318.41022}, url = {http://geodesic.mathdoc.fr/item/MZ_1976__148_172345/} }
Wolfgang Dahmen; Ernst Görlich. Best Approximation with Exponential Orders and Intermediate Spaces.. Mathematische Zeitschrift, Tome 148 (1976), pp. 7-22. http://geodesic.mathdoc.fr/item/MZ_1976__148_172345/