@article{CMH_1966__41_139319,
     author = {C. Weber},
     title = {L'\'elimination des points doubles dans le cas combinatoire.},
     journal = {Commentarii mathematici Helvetici},
     pages = {179--182},
     publisher = {mathdoc},
     volume = {41},
     year = {1966},
     zbl = {0156.22201},
     url = {http://geodesic.mathdoc.fr/item/CMH_1966__41_139319/}
}