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Nonparametric estimation of additive models with homogeneous components
Härdle, Wolfgang, (2000)
A bias-reduced log-periodogram regression estimator for the long-memory parameter
Andrews, Donald W. K., (2000)
Nonparametric two-step estimation of unknown regression functions when the regressors and the regression error are not independent
Ng, Serena, (1995)
Nonlinear regressions with nonstationary time series
Chan, Nigel, (2015)
Testing for a unit root with nonstationary nonlinear heteroskedasticity
Tu, Yundong, (2020)
Martingale limit theorem revisited and nonlinear cointegrating regression
Wang, Qiying, (2014)