BibTeX

@ARTICLE{iumj18023,
    author = "Vaiclav Hlavaty",
     title = "Classification of Space-Time Curvature Tensor VIa. Complex Basic Characteristics of the Types I, II, IV",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 18,
      year = 1969,
     issue = 3,
     pages = "237--281",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj18023}{article}{
     author = {Hlavaty, Vaiclav},
      title = {Classification of Space-Time Curvature Tensor VIa. Complex Basic Characteristics of the Types I, II, IV},
    journal = {Indiana Univ. Math. J.},
     volume = {18},
       year = {1969},
     number = {3},
      pages = {237 \ndash 281},
}