@article{CMUC_1986__27_4_a13,
     author = {Dan\v{e}\v{c}ek, Josef},
     title = {Regularity for nonlinear elliptic systems of second order},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {755--764},
     publisher = {mathdoc},
     volume = {27},
     number = {4},
     year = {1986},
     mrnumber = {874670},
     zbl = {0607.35035},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1986__27_4_a13/}
}