E. Chicurel-Uziel Single equation without inequalities to represent a composite curve. [Citation Graph (0, 0)][DBLP] Computer Aided Geometric Design, 2004, v:21, n:1, pp:23-42 [Journal]
John E. Lavery Shape-preserving approximation of multiscale univariate data by cubic L1 spline fits. [Citation Graph (0, 0)][DBLP] Computer Aided Geometric Design, 2004, v:21, n:1, pp:43-64 [Journal]