Jörg Peters, Ulrich Reif The 42 equivalence classes of quadratic surfaces in affine n-space. [Citation Graph (0, 0)][DBLP] Computer Aided Geometric Design, 1998, v:15, n:5, pp:459-473 [Journal]
Ulrich Reif Best bounds on the approximation of polynomials and splines by their control structure. [Citation Graph (0, 0)][DBLP] Computer Aided Geometric Design, 2000, v:17, n:6, pp:579-589 [Journal]
Ulrich Reif A unified approach to subdivision algorithms near extraordinary vertices. [Citation Graph (0, 0)][DBLP] Computer Aided Geometric Design, 1995, v:12, n:2, pp:153-174 [Journal]
Ulrich Reif On the local existence of the quadratic geometric Hermite interpolant. [Citation Graph (0, 0)][DBLP] Computer Aided Geometric Design, 1999, v:16, n:3, pp:217-221 [Journal]
Ulrich Reif An Appropriate Geometric Invariant for the C2-Analysis of Subdivision Surfaces. [Citation Graph (0, 0)][DBLP] IMA Conference on the Mathematics of Surfaces, 2007, pp:364-377 [Conf]