BibTeX

@ARTICLE{iumj42002,
    author = "Man-Duen Choi and Eric Nordgren and Heydar Radjavi and Peter Rosenthal and Y. Zhong",
     title = "Triangularizing Semigroups of Quasinilpotent Operators with Non-Negative Entries",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 42,
      year = 1993,
     issue = 1,
     pages = "15--25",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj42002}{article}{
     author = {Choi, Man-Duen},
     author = {Nordgren, Eric},
     author = {Radjavi, Heydar},
     author = {Rosenthal, Peter},
     author = {Zhong, Y.},
      title = {Triangularizing Semigroups of Quasinilpotent Operators with Non-Negative Entries},
    journal = {Indiana Univ. Math. J.},
     volume = {42},
       year = {1993},
     number = {1},
      pages = {15 \ndash 25},
}