BibTeX

@ARTICLE{iumj12042,
    author = "Vaiclav Hlavaty",
     title = "Metric Null Parameter and Conformal Null Parameter of a Minimal Geodesic",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 12,
      year = 1963,
     issue = 5,
     pages = "643--653",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj12042}{article}{
     author = {Hlavaty, Vaiclav},
      title = {Metric Null Parameter and Conformal Null Parameter of a Minimal Geodesic},
    journal = {Indiana Univ. Math. J.},
     volume = {12},
       year = {1963},
     number = {5},
      pages = {643 \ndash 653},
}