@article{MZ_1996__223_3_174923,
     author = {Linus Kramer},
     title = {Holomorphic polygons.},
     journal = {Mathematische Zeitschrift},
     pages = {333--342},
     year = {1996},
     volume = {223},
     number = {3},
     zbl = {0871.51007},
     url = {http://geodesic.mathdoc.fr/item/MZ_1996__223_3_174923/}
}