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Extrapolationen einer Zeitreihe durch exponentiell abnehmende Gewichtung
Winkel, E. G. F. van, (1969)
Some more observations on "adaptive" forecasting
Winkel, E. G. F. van, (1977)
Predicting future spot rates on the basis of forward rates : a time series approach
Soenen, Luc Aloys, (1988)