@article{10_4064_ap_15_3_233_236,
     author = {S. Go{\l}\k{a}b and A. Jakubowicz and M. Kucharzewski and M. Kuczma},
     title = {Sur l'objet g\'eom\'etrique repr\'esentant une direction munie d'un sens},
     journal = {Annales Polonici Mathematici},
     pages = {233--236},
     publisher = {mathdoc},
     volume = {15},
     number = {3},
     year = {1964},
     doi = {10.4064/ap-15-3-233-236},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-15-3-233-236/}
}