Differential Geometry and its Applications
Differential Geometry and its Applications > 2002 > 16 > 3 > 267-276
Differential Geometry and its Applications > 2002 > 17 > 1 > 55-67
Differential Geometry and its Applications > 2002 > 16 > 3 > 267-276
Differential Geometry and its Applications > 2002 > 17 > 1 > 55-67