BibTeX

@ARTICLE{iumj38006,
    author = "Walter Vannini",
     title = "A Note on Manifolds without Conjugate Points of Cohomogeneity Two",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 38,
      year = 1989,
     issue = 1,
     pages = "137--140",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj38006}{article}{
     author = {Vannini, Walter},
      title = {A Note on Manifolds without Conjugate Points of Cohomogeneity Two},
    journal = {Indiana Univ. Math. J.},
     volume = {38},
       year = {1989},
     number = {1},
      pages = {137 \ndash 140},
}