BibTeX

@ARTICLE{iumj21087,
    author = "Stephen Berman and Robert Moody and Maria Wonenburger",
     title = "Cartan Matrices with Null Roots and Finite Cartan Matrices",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 21,
      year = 1972,
     issue = 12,
     pages = "1091--1099",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj21087}{article}{
     author = {Berman, Stephen},
     author = {Moody, Robert},
     author = {Wonenburger, Maria},
      title = {Cartan Matrices with Null Roots and Finite Cartan Matrices},
    journal = {Indiana Univ. Math. J.},
     volume = {21},
       year = {1972},
     number = {12},
      pages = {1091 \ndash 1099},
}