%0 Journal Article %A Bagagiolo, Fabio %T Viscosity solutions for an optimal control problem with Preisach hysteresis nonlinearities %J ESAIM: Control, Optimisation and Calculus of Variations %D 2004 %P 271-294 %V 10 %N 2 %I EDP-Sciences %U http://archive.numdam.org/articles/10.1051/cocv:2004007/ %R 10.1051/cocv:2004007 %G en %F COCV_2004__10_2_271_0