BibTeX

@ARTICLE{iumj12031,
    author = "M. Sewell",
     title = "On Reciprocal Variational Principles for Perfect Fluids",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 12,
      year = 1963,
     issue = 4,
     pages = "495--504",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj12031}{article}{
     author = {Sewell, M.},
      title = {On Reciprocal Variational Principles for Perfect Fluids},
    journal = {Indiana Univ. Math. J.},
     volume = {12},
       year = {1963},
     number = {4},
      pages = {495 \ndash 504},
}