@InCollection{jue:06k, author = {Liyong Shen and Falai Chen and B.\ J\"uttler and Jiansong Deng}, title = {Approximate $\mu$-Bases of Rational Curves and Surfaces}, booktitle = {Geometric Modelling and Processing}, publisher = {Springer}, year = {2006}, editor = {Kenji Shimada and Myung--Soo Kim}, volume = {4077}, series = {Lecture Notes in Computer Science}, pages = {175--188}, }