@article{MZ_1996__221_1_174858,
     author = {Ernst Kuwert},
     title = {Harmonic maps between flat surfaces with conical singularities.},
     journal = {Mathematische Zeitschrift},
     pages = {421--436},
     publisher = {mathdoc},
     volume = {221},
     number = {1},
     year = {1996},
     zbl = {0871.58028},
     url = {http://geodesic.mathdoc.fr/item/MZ_1996__221_1_174858/}
}