@article{CMUC_1983__24_4_a5,
     author = {Kawohl, Bernhard},
     title = {On maximum principles and {Liouville} theorems for quasilinear elliptic equations and systems},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {647--655},
     publisher = {mathdoc},
     volume = {24},
     number = {4},
     year = {1983},
     mrnumber = {738560},
     zbl = {0543.35031},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1983__24_4_a5/}
}