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TY  - JOUR
AU  - Dahmen, Wolfgang
AU  - Görlich, Ernst
TI  - The characterization problem for best approximation with exponential error orders and evaluation of entropy
JO  - Mathematische Nachrichten
VL  - 76
SN  - 0025-584x
CY  - Weinheim
PB  - Wiley-VCH
M1  - RWTH-CONV-062019
SP  - 163-179
PY  - 1977
LB  - PUB:(DE-HGF)16
UR  - <Go to ISI:>//WOS:A1977DP37400011
DO  - DOI:10.1002/mana.19770760112
UR  - https://publications.rwth-aachen.de/record/185554
ER  -