@article{PM_2002_2002_1_a32,
     author = {Verdera, Joan},
     title = {La p\'erdida de la condici\'on duplicante en la teor{\'\i}a de {Calder\'on-Zygmund.}},
     journal = {Publicacions matem\`atiques},
     pages = {275-292},
     publisher = {mathdoc},
     volume = {46},
     number = {Extra},
     year = {2002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PM_2002_2002_1_a32/}
}