BibTeX

@ARTICLE{iumj1909,
    author = "Peter Polacik",
     title = "Morse indices and bifurcations of positive solutions of $\Delta u + f(u) = 0$ on $\mathbb{R}^N$",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 50,
      year = 2001,
     issue = 3,
     pages = "1407--1432",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "35J60; 35B32; 35B05;",
}

amsrefs

\bib{iumj1909}{article}{
     author = {Polacik, Peter},
      title = {Morse indices and bifurcations of positive solutions of $\Delta u + f(u) = 0$ on $\mathbb{R}^N$},
    journal = {Indiana Univ. Math. J.},
     volume = {50},
       year = {2001},
     number = {3},
      pages = {1407 \ndash 1432},
}