@article{CMH_1993__68_2_140310,
     author = {Luigi Fontana},
     title = {Sharp borderline {Sobolev} inequalities on compact {Riemannian} manifolds.},
     journal = {Commentarii mathematici Helvetici},
     pages = {415--454},
     publisher = {mathdoc},
     volume = {68},
     number = {2},
     year = {1993},
     zbl = {0844.58082},
     url = {http://geodesic.mathdoc.fr/item/CMH_1993__68_2_140310/}
}