BibTeX

@ARTICLE{iumj2544,
    author = "Razvan Anisca and Vladimir Troitsky",
     title = "Minimal vectors of positive operators",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 54,
      year = 2005,
     issue = 3,
     pages = "861--872",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "47A15; 46B42; 47B65;",
}

amsrefs

\bib{iumj2544}{article}{
     author = {Anisca, Razvan},
     author = {Troitsky, Vladimir},
      title = {Minimal vectors of positive operators},
    journal = {Indiana Univ. Math. J.},
     volume = {54},
       year = {2005},
     number = {3},
      pages = {861 \ndash 872},
}