BibTeX

@ARTICLE{iumj15022,
    author = "Ivan Kupka",
     title = "On Regular Contact Elements",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 15,
      year = 1966,
     issue = 2,
     pages = "305--313",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj15022}{article}{
     author = {Kupka, Ivan},
      title = {On Regular Contact Elements},
    journal = {Indiana Univ. Math. J.},
     volume = {15},
       year = {1966},
     number = {2},
      pages = {305 \ndash 313},
}