@article{MAN_1993__295_1_165030,
     author = {W. Barth and J. Michel},
     title = {Modular curves and {Poncelet} polygons.},
     journal = {Mathematische Annalen},
     pages = {25--50},
     publisher = {mathdoc},
     volume = {295},
     number = {1},
     year = {1993},
     zbl = {0789.14033},
     url = {http://geodesic.mathdoc.fr/item/MAN_1993__295_1_165030/}
}