Estimation of a temporally and spatially varying diffusion coefficinet in a parabolic system by an augmented Lagrangian technique. K. Kunisch; G. Peichl — 1991 Numerische Mathematik
Estimation of the conductivity in the one-phase Stefan problem : numerical results K. Kunisch; K. A. Murphy; G. Peichl — 1993 ESAIM: Mathematical Modelling and Numerical Analysis - Modélisation Mathématique et Analyse Numérique