Journal of Geometry and Physics
Journal of Geometry and Physics > 1999 > 29 > 1-2 > 177-197
Journal of Geometry and Physics > 1999 > 29 > 1-2 > 151-160
Journal of Geometry and Physics > 1999 > 29 > 1-2 > 1-4
Journal of Geometry and Physics > 1999 > 29 > 1-2 > 13-34
Journal of Geometry and Physics > 1999 > 29 > 1-2 > 87-150
Journal of Geometry and Physics > 1999 > 29 > 1-2 > 5-12
Journal of Geometry and Physics > 1999 > 29 > 1-2 > 35-63
Journal of Geometry and Physics > 1999 > 29 > 1-2 > 161-176
Journal of Geometry and Physics > 1999 > 29 > 1-2 > 64-86