BibTeX

@ARTICLE{iumj17027,
    author = "J. Lagnese and K. Stellmacher",
     title = "A Method of Generating Classes of Huygens' Operators*",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 17,
      year = 1968,
     issue = 5,
     pages = "461--472",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj17027}{article}{
     author = {Lagnese, J.},
     author = {Stellmacher, K.},
      title = {A Method of Generating Classes of Huygens' Operators*},
    journal = {Indiana Univ. Math. J.},
     volume = {17},
       year = {1968},
     number = {5},
      pages = {461 \ndash 472},
}