@article{10_4153_CMB_1997_001_5,
     author = {Ayari, S. and Dubuc, S.},
     title = {La formule de {Cauchy} sur la longueur d{\textquoteright}une courbe},
     journal = {Canadian mathematical bulletin},
     pages = {3--9},
     year = {1997},
     volume = {40},
     number = {1},
     doi = {10.4153/CMB-1997-001-5},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1997-001-5/}
}