@article{PM_2007_2007_1_a1,
     author = {Vyb{\'\i}ral, Jan},
     title = {Inmersiones de {Sobolev} \'optimas en {Rn.}},
     journal = {Publicacions matem\`atiques},
     pages = {17-44},
     publisher = {mathdoc},
     volume = {51},
     number = {1},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PM_2007_2007_1_a1/}
}