@article {Berglund-C3,
    AUTHOR = {Berglund, N.},
     TITLE = {Classical billiards in a magnetic field and a potential},
   JOURNAL = {Nonlinear Phenom. Complex Syst.},
  FJOURNAL = {Nonlinear Phenomena in Complex Systems. An Interdisciplinary
              Journal},
    VOLUME = {3},
      YEAR = {2000},
    NUMBER = {1},
     PAGES = {61--70},
      ISSN = {1561-4085},
   MRCLASS = {37J40 (81Q50)},
  MRNUMBER = {1783807 (2001h:37134)},
MRREVIEWER = {Roberto Markarian},
}