Degree reduction of Bézier curves by uniform approximation with endpoint interpolation. - Przemyslaw Bogacki; Stanley E. Weinstein; Yuesheng Xu (Comput. Aided Des., 1995)

Distances between oriented curves in geometric modeling. - Przemyslaw Bogacki; Stanley E. Weinstein; Yuesheng Xu (Adv. Comput. Math., 1997)