@article{PM_2009_2009_1_a2,
     author = {Gromadzki, G. },
     title = {On fixed points of automorphisms of non-orientable unbordered {Klein} surfaces.},
     journal = {Publicacions matem\`atiques},
     pages = {73-82},
     publisher = {mathdoc},
     volume = {53},
     number = {1},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PM_2009_2009_1_a2/}
}