@article{10_4064_ap_10_2_115_122,
     author = {W. \.Zakowski},
     title = {Sur une g\'en\'eralisation de la transformation de {Poincar\'e-Bertrand}},
     journal = {Annales Polonici Mathematici},
     pages = {115--122},
     publisher = {mathdoc},
     volume = {10},
     number = {2},
     year = {1961},
     doi = {10.4064/ap-10-2-115-122},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-10-2-115-122/}
}