BibTeX

@ARTICLE{iumj1787,
    author = "Dmitry Khavinson and John McCarthy and Harold Shapiro",
     title = "Best approximation in the mean by analytic and harmonic functions",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 49,
      year = 2000,
     issue = 4,
     pages = "1481--1514",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "41A30; 31B05;",
}

amsrefs

\bib{iumj1787}{article}{
     author = {Khavinson, Dmitry},
     author = {McCarthy, John},
     author = {Shapiro, Harold},
      title = {Best approximation in the mean by analytic and harmonic functions},
    journal = {Indiana Univ. Math. J.},
     volume = {49},
       year = {2000},
     number = {4},
      pages = {1481 \ndash 1514},
}