BibTeX

@ARTICLE{iumj5607,
    author = "Aleksis Koski",
     title = "On Second Order Beltrami Systems 2",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 64,
      year = 2015,
     issue = 4,
     pages = "1059--1101",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj5607}{article}{
     author = {Koski, Aleksis},
      title = {On Second Order Beltrami Systems 2},
    journal = {Indiana Univ. Math. J.},
     volume = {64},
       year = {2015},
     number = {4},
      pages = {1059 \ndash 1101},
}