BibTeX

@ARTICLE{iumj1941,
    author = "Song-Ying Li and Zhaoli Liu and Zhi-Qiang Wang",
     title = "Positive solutions of elliptic boundary value problems without (P.S.) type assumption",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 50,
      year = 2001,
     issue = 3,
     pages = "1347--1370",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "35J20; 35J25; 35J60; 35J65; 35J70;",
}

amsrefs

\bib{iumj1941}{article}{
     author = {Li, Song-Ying},
     author = {Liu, Zhaoli},
     author = {Wang, Zhi-Qiang},
      title = {Positive solutions of elliptic boundary value problems without (P.S.) type assumption},
    journal = {Indiana Univ. Math. J.},
     volume = {50},
       year = {2001},
     number = {3},
      pages = {1347 \ndash 1370},
}