@article{AM_1999_149_3_a3,
     author = {J.C. L\'eger},
     title = {Menger curvature and rectifiability},
     journal = {Annals of mathematics},
     publisher = {mathdoc},
     volume = {149},
     number = {3},
     year = {1999},
     url = {http://geodesic.mathdoc.fr/item/AM_1999_149_3_a3/}
}