@article{MS2_1995__76_2_167339,
     author = {M. Izquierdo},
     title = {On {Klein} {Surfaces} and {Dihedral} {Groups.}},
     journal = {Mathematica Scandinavica},
     pages = {221--232},
     year = {1995},
     volume = {76},
     number = {2},
     zbl = {0847.30029},
     url = {http://geodesic.mathdoc.fr/item/MS2_1995__76_2_167339/}
}