TY - JOUR AU - David Gilsinn AU - J Lavery C2 - Journal of Approximation Theory DA - 2002-05-10 LA - en PB - Journal of Approximation Theory PY - 2002 TI - Shape-Preserving, Multi-Scale Fitting of Bivariate Data by Cubic L1 Smoothing Splines UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=150830 ER -