BibTeX

@ARTICLE{iumj1967,
    author = "Abdellah Youssfi",
     title = "Bilinear operators and the Jacobian-determinant on Besov spaces",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 45,
      year = 1996,
     issue = 2,
     pages = "381--396",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "46E35; 47B38;",
}

amsrefs

\bib{iumj1967}{article}{
     author = {Youssfi, Abdellah},
      title = {Bilinear operators and the Jacobian-determinant on Besov spaces},
    journal = {Indiana Univ. Math. J.},
     volume = {45},
       year = {1996},
     number = {2},
      pages = {381 \ndash 396},
}