@article{PM_2002_2002_1_a20,
     author = {Sinnamon, Gord},
     title = {Inmersiones de funciones c\'oncavas y duales de espacios de {Lorentz.}},
     journal = {Publicacions matem\`atiques},
     pages = {489-515},
     publisher = {mathdoc},
     volume = {46},
     number = {2},
     year = {2002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PM_2002_2002_1_a20/}
}