@article{MM2_1982__39_154879,
     author = {Ulrich Hornung},
     title = {A parabolic - elliptic variational inequality.},
     journal = {Manuscripta mathematica},
     pages = {155--172},
     publisher = {mathdoc},
     volume = {39},
     year = {1982},
     zbl = {0502.35055},
     url = {http://geodesic.mathdoc.fr/item/MM2_1982__39_154879/}
}