BibTeX

@ARTICLE{iumj4773,
    author = "Giovanni Bellettini and Matteo Novaga and Giandomenico Orlandi",
     title = "Lorentzian varifolds and applications to relativistic strings",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 61,
      year = 2012,
     issue = 6,
     pages = "2251--2310",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "49Q20; 83E30; 81T30;",
}

amsrefs

\bib{iumj4773}{article}{
     author = {Bellettini, Giovanni},
     author = {Novaga, Matteo},
     author = {Orlandi, Giandomenico},
      title = {Lorentzian varifolds and applications to relativistic strings},
    journal = {Indiana Univ. Math. J.},
     volume = {61},
       year = {2012},
     number = {6},
      pages = {2251 \ndash 2310},
}