Semiparametric GARCH models with long memory applied to Value at Risk and Expected Shortfall
S. Letmathe, Y. Feng, A. Uhde, Journal of Risk 25 (n.d.).

Semiparametric GARCH models with long memory applied to Value at Risk and Expected Shortfall
S. Letmathe, Y. Feng, A. Uhde, Journal of Risk (n.d.).

The Non-Gaussian ESEMIFAR Model
Y. Feng, S. Letmathe, (2018) 7.