1. Parametric generalized offsets to hypersurfaces;Arrondo;J. Symbolic Comput.,1997
2. Analytic properties of plane offset curves;Farouki;Comput. Aided Geom. Design,1990
3. Algebraic properties of plane offset curves;Farouki;Comput. Aided Geom. Design,1990
4. Algebraic Geometry;Hartshorne,1977
5. Algebraic and numerical techniques for offsets and blends;Hoffmann,1990