@article{MM2_1992__77_2-3_155772,
     author = {Andreas Gastel},
     title = {Regularity of {Minimzing} {Harmonic} {Mappings} into ellipsoids and similar other manifolds.},
     journal = {Manuscripta mathematica},
     pages = {97--104},
     publisher = {mathdoc},
     volume = {77},
     number = {2-3},
     year = {1992},
     zbl = {0777.58011},
     url = {http://geodesic.mathdoc.fr/item/MM2_1992__77_2-3_155772/}
}