@article{MZ_1971__122_171579,
     author = {Jean-Paul Doignon},
     title = {Sur les espaces projectifs topologiques.},
     journal = {Mathematische Zeitschrift},
     pages = {57--60},
     publisher = {mathdoc},
     volume = {122},
     year = {1971},
     zbl = {0206.49601},
     url = {http://geodesic.mathdoc.fr/item/MZ_1971__122_171579/}
}