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TY  - JOUR
AU  - Dahmen, Wolfgang
TI  - Trigonometric approximation with exponential error orders. I. Construction of asymptotically optimal processes; generalized de la Vallée Poussin Sums
JO  - Mathematische Annalen
VL  - 230
SN  - 0025-5831
CY  - Berlin ; Göttingen ; Heidelberg
PB  - Springer
M1  - RWTH-CONV-062020
SP  - 57-74
PY  - 1977
LB  - PUB:(DE-HGF)16
UR  - https://publications.rwth-aachen.de/record/185555
ER  -