BibTeX

@ARTICLE{iumj11010,
    author = "E. Akutowicz",
     title = "On Approximation with Respect to Certain Quadratic Norms",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 11,
      year = 1962,
     issue = 1,
     pages = "153--164",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj11010}{article}{
     author = {Akutowicz, E.},
      title = {On Approximation with Respect to Certain Quadratic Norms},
    journal = {Indiana Univ. Math. J.},
     volume = {11},
       year = {1962},
     number = {1},
      pages = {153 \ndash 164},
}