BibTeX

@ARTICLE{iumj5749,
    author = "Mahmood Alaghmandan and Ebrahim Samei",
     title = "Weighted discrete hypergroups",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 65,
      year = 2016,
     issue = 2,
     pages = "423--451",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj5749}{article}{
     author = {Alaghmandan, Mahmood},
     author = {Samei, Ebrahim},
      title = {Weighted discrete hypergroups},
    journal = {Indiana Univ. Math. J.},
     volume = {65},
       year = {2016},
     number = {2},
      pages = {423 \ndash 451},
}