@article{MZ_1966__93_170600,
     author = {L\'eonce Lesieur},
     title = {Sur la mesure des triangles en g\'eom\'etrie affine plane.},
     journal = {Mathematische Zeitschrift},
     pages = {334--344},
     publisher = {mathdoc},
     volume = {93},
     year = {1966},
     zbl = {0151.26001},
     url = {http://geodesic.mathdoc.fr/item/MZ_1966__93_170600/}
}