BibTeX

@ARTICLE{iumj58014,
    author = "R. Pederson",
     title = "On the Order of Zeros of One-Signed Solutions of Elliptic Equations",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 8,
      year = 1959,
     issue = 2,
     pages = "193--196",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj58014}{article}{
     author = {Pederson, R.},
      title = {On the Order of Zeros of One-Signed Solutions of Elliptic Equations},
    journal = {Indiana Univ. Math. J.},
     volume = {8},
       year = {1959},
     number = {2},
      pages = {193 \ndash 196},
}