@article{CMUC_1990__31_2_a11,
     author = {Viszus, Eugen},
     title = {On the regularity up to the boundary for higher order quasilinear elliptic systems},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {295--306},
     publisher = {mathdoc},
     volume = {31},
     number = {2},
     year = {1990},
     mrnumber = {1077900},
     zbl = {0724.35030},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1990__31_2_a11/}
}