@article{1365644,
      recid = {1365644},
      author = {Danielli, Donatella, and Garofalo, Nicola, and Nhieu,  Duy-Minh,},
      title = {Non-doubling Ahlfors measures, perimeter measures, and the  characterization of the trace spaces of Sobolev functions  in Carnot-Carathéodory spaces /},
      pages = {1 online resource (138 pages).},
      note = {"July 2006, volume 182, number 857 (first of 4 numbers)."},
      url = {http://library.usi.edu/record/1365644},
}