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%0 Conference Paper
%A Dahmen, Wolfgang
%T Trigonometric approximation with exponential error orders. III. Criteria for asymptotically optimal processes
%C Gdansk
%M RWTH-CONV-196267
%D 1979
%< Proc. of the International Conference on Approximation and Function Spaces, ed. by Z. Ciesielski
%F PUB:(DE-HGF)8
%9 Contribution to a conference proceedings
%U https://publications.rwth-aachen.de/record/125825