@article{MZ_1996__221_1_174840,
     author = {Frank Duzaar and Joseph F. Grotowski},
     title = {A mixed boundary value problem for energy minimizing harmonic maps.},
     journal = {Mathematische Zeitschrift},
     pages = {153--168},
     publisher = {mathdoc},
     volume = {221},
     number = {1},
     year = {1996},
     zbl = {0853.58035},
     url = {http://geodesic.mathdoc.fr/item/MZ_1996__221_1_174840/}
}