BibTeX

@ARTICLE{iumj3158,
    author = "Annalisa Baldi and Bruno Franchi and Maria Carla Tesi",
     title = "Compensated compactness in the contact complex of Heisenberg groups",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 57,
      year = 2008,
     issue = 1,
     pages = "133--186",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "43A80; 58A10; 58A25; 35B27;",
}

amsrefs

\bib{iumj3158}{article}{
     author = {Baldi, Annalisa},
     author = {Franchi, Bruno},
     author = {Tesi, Maria Carla},
      title = {Compensated compactness in the contact complex of Heisenberg groups},
    journal = {Indiana Univ. Math. J.},
     volume = {57},
       year = {2008},
     number = {1},
      pages = {133 \ndash 186},
}