BibTeX

@ARTICLE{iumj2013,
    author = "Victor Isakov and Ziqi Sun",
     title = "The inverse scattering at fixed energies in two dimensions",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 44,
      year = 1995,
     issue = 3,
     pages = "883--896",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj2013}{article}{
     author = {Isakov, Victor},
     author = {Sun, Ziqi},
      title = {The inverse scattering at fixed energies in two dimensions},
    journal = {Indiana Univ. Math. J.},
     volume = {44},
       year = {1995},
     number = {3},
      pages = {883 \ndash 896},
}