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Locally weighted autoregression
Feng, Yuanhua, (2000)
Adaptive estimation for a time inhomogeneous stochastic-volatility model
Härdle, Wolfgang, (2000)
Non-parametric volatility estimation of exchange rates and stock prices
Heid, Frank, (1997)
Einführung in die Statistik der Finanzmärkte
Franke, Jürgen, (2001)
Discrete time option pricing with flexible volatility estimation