BibTeX

@ARTICLE{iumj16084,
    author = "Vaiclav Hlavaty",
     title = "Classification of Space-Time Curvature Tensor IV. General Theory of Metric Classification",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 16,
      year = 1967,
     issue = 12,
     pages = "1291--1320",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj16084}{article}{
     author = {Hlavaty, Vaiclav},
      title = {Classification of Space-Time Curvature Tensor IV. General Theory of Metric Classification},
    journal = {Indiana Univ. Math. J.},
     volume = {16},
       year = {1967},
     number = {12},
      pages = {1291 \ndash 1320},
}