@article{MZ_1980__171_172934,
     author = {Norbert Kilimann},
     title = {Ein {Maximumprinzip} f\"ur nichtlineare parabolische {Systeme.}},
     journal = {Mathematische Zeitschrift},
     pages = {227--230},
     publisher = {mathdoc},
     volume = {171},
     year = {1980},
     zbl = {0411.35012},
     url = {http://geodesic.mathdoc.fr/item/MZ_1980__171_172934/}
}