@article{EXMA_2004__13_4_51913,
     author = {Schmith\"usen, Gabriela},
     title = {An algorithm for finding the {Veech} group of an origami.},
     journal = {Experimental mathematics},
     pages = {459--472},
     publisher = {mathdoc},
     volume = {13},
     number = {4},
     year = {2004},
     zbl = {1078.14036},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EXMA_2004__13_4_51913/}
}