@article{MZ_1991__207_2_174267,
     author = {Giuseppe De Cecco and Giuliana Palmieri},
     title = {Integral distance on a {Lipschitz} {Riemannian} manifold.},
     journal = {Mathematische Zeitschrift},
     pages = {223--244},
     publisher = {mathdoc},
     volume = {207},
     number = {2},
     year = {1991},
     zbl = {0722.58006},
     url = {http://geodesic.mathdoc.fr/item/MZ_1991__207_2_174267/}
}