BibTeX

@ARTICLE{iumj5757,
    author = "Tom Carroll and Jesse Ratzkin",
     title = "Monotonicity of the first Dirichlet eigenvalue of the Laplacian on manifolds of non-positive curvature",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 65,
      year = 2016,
     issue = 1,
     pages = "353--376",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "58J50 (31C12 53C21);",
}

amsrefs

\bib{iumj5757}{article}{
     author = {Carroll, Tom},
     author = {Ratzkin, Jesse},
      title = {Monotonicity of the first Dirichlet eigenvalue of the Laplacian on manifolds of non-positive curvature},
    journal = {Indiana Univ. Math. J.},
     volume = {65},
       year = {2016},
     number = {1},
      pages = {353 \ndash 376},
}