@article{MZ_1962__79_170067,
     author = {J.L. Koszul},
     title = {Ouverts convexes homog\`enes des espaces affines.},
     journal = {Mathematische Zeitschrift},
     pages = {254--259},
     publisher = {mathdoc},
     volume = {79},
     year = {1962},
     zbl = {0191.20501},
     url = {http://geodesic.mathdoc.fr/item/MZ_1962__79_170067/}
}