BibTeX

@ARTICLE{iumj18012,
    author = "Simon Levin",
     title = "On Some Nonlinear Boundary Problems for the Equation of Minimal Surfaces",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 18,
      year = 1969,
     issue = 2,
     pages = "125--130",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj18012}{article}{
     author = {Levin, Simon},
      title = {On Some Nonlinear Boundary Problems for the Equation of Minimal Surfaces},
    journal = {Indiana Univ. Math. J.},
     volume = {18},
       year = {1969},
     number = {2},
      pages = {125 \ndash 130},
}