@article{10_4064_ap_3_2_300_303,
     author = {A. Haimovici},
     title = {Sur quelques invariants dans les espaces \`a connexion affine \`a trois dimensions},
     journal = {Annales Polonici Mathematici},
     pages = {300--303},
     publisher = {mathdoc},
     volume = {3},
     number = {2},
     year = {1956},
     doi = {10.4064/ap-3-2-300-303},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-3-2-300-303/}
}