BibTeX

@ARTICLE{iumj40026,
    author = "Zhongmin Shen and Guofang Wei",
     title = "On Riemannian Manifolds of Almost Nonnegative Curvature",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 40,
      year = 1991,
     issue = 2,
     pages = "551--565",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj40026}{article}{
     author = {Shen, Zhongmin},
     author = {Wei, Guofang},
      title = {On Riemannian Manifolds of Almost Nonnegative Curvature},
    journal = {Indiana Univ. Math. J.},
     volume = {40},
       year = {1991},
     number = {2},
      pages = {551 \ndash 565},
}