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@article{GMJ_2001__8_2_50859, author = {Creutzig, J. and Linde, W.}, title = {Entropy numbers of certain summation operators.}, journal = {Georgian Mathematical Journal}, pages = {245--274}, publisher = {mathdoc}, volume = {8}, number = {2}, year = {2001}, zbl = {1042.47011}, language = {en}, url = {http://geodesic.mathdoc.fr/item/GMJ_2001__8_2_50859/} }
Creutzig, J.; Linde, W. Entropy numbers of certain summation operators.. Georgian Mathematical Journal, Tome 8 (2001) no. 2, pp. 245-274. http://geodesic.mathdoc.fr/item/GMJ_2001__8_2_50859/