Journal of Geometry and Physics
Journal of Geometry and Physics > 2002 > 42 > 4 > 325-341
Journal of Geometry and Physics > 2002 > 43 > 2-3 > 184-204
Journal of Geometry and Physics > 2002 > 43 > 2-3 > 205-240
Journal of Geometry and Physics > 2002 > 42 > 4 > 325-341
Journal of Geometry and Physics > 2002 > 43 > 2-3 > 184-204
Journal of Geometry and Physics > 2002 > 43 > 2-3 > 205-240