@article {BG7,
    AUTHOR = {Berglund, Nils and Gentz, Barbara},
     TITLE = {On the noise-induced passage through an unstable periodic
              orbit. {I}. {T}wo-level model},
   JOURNAL = {J. Statist. Phys.},
  FJOURNAL = {Journal of Statistical Physics},
    VOLUME = {114},
      YEAR = {2004},
    NUMBER = {5-6},
     PAGES = {1577--1618},
      ISSN = {0022-4715},
     CODEN = {JSTPSB},
   MRCLASS = {82C05 (37H99 60H10)},
  MRNUMBER = {2039489 (2005a:82052)},
MRREVIEWER = {Da-Quan Jiang},
       DOI = {10.1023/B:JOSS.0000013966.54504.da},
       URL = {http://dx.doi.org/10.1023/B:JOSS.0000013966.54504.da},
}