I. Wegner

Power management in a hydro-thermal system under uncertainty by Lagrangian relaxation

K. Kiwiel, W. Römisch, N. Gröwe-Kuska, 2002 .

Polyhedral Risk Measures and Lagrangian Relaxation in Electricity Portfolio Optimization

Werner Römisch, Andreas Eichhorn, Isabel Wegner, 2005, Algorithms for Optimization with Incomplete Information.

Polyhedral risk measures in electricity portfolio optimization

Werner Römisch, Isabel Wegner, Andreas Eichhorn, 2004 .

Power Management under Uncertainty by Lagrangian Relaxation

K. C. Kiwiel, W. Römisch, K. Kiwiel, 2007 .

Mean-risk optimization of electricity portfolios using multiperiod polyhedral risk measures

W. Romisch, A. Eichhorn, W. Römisch, 2005, 2005 IEEE Russia Power Tech.