@article{MZ_1992__211_3_174452,
     author = {E. Bujalance and A. Costa and S. Natanzon},
     title = {Involutions of compact {Klein} surfaces.},
     journal = {Mathematische Zeitschrift},
     pages = {461--478},
     publisher = {mathdoc},
     volume = {211},
     number = {3},
     year = {1992},
     zbl = {0758.30036},
     url = {http://geodesic.mathdoc.fr/item/MZ_1992__211_3_174452/}
}