@ARTICLE{hw12_ch,
author={Hinterm\"uller M. and Wegner, D.},
title="{Distributed Optimal Control of the Cahn–Hilliard System Including the Case of a Double-Obstacle Homogeneous Free Energy Density}",
language="English",
journal="{SIAM J. Control Optim.}",
volume="50",
pages="388--418",
year="2012"
}