BibTeX

@ARTICLE{iumj25064,
    author = "I. Halbhavi and K. Varadarajan",
     title = "Extensions of Fibrations",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 25,
      year = 1976,
     issue = 8,
     pages = "801--808",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj25064}{article}{
     author = {Halbhavi, I.},
     author = {Varadarajan, K.},
      title = {Extensions of Fibrations},
    journal = {Indiana Univ. Math. J.},
     volume = {25},
       year = {1976},
     number = {8},
      pages = {801 \ndash 808},
}