Monographs

1. Optimization of Elliptic Systems. Theory and Applications.
   Springer-Verlag, Springer Monographs in Mathematics, New York 2006.
   (with P. Neittanmäki and D. Tiba)
2. Hysteresis and Phase Transitions.
   Springer-Verlag, Applied Mathematical Sciences Vol. 121, New York 1996.
   (with M. Brokate)