中国科学院数学与系统科学研究院期刊网
THE ALGORITHMS FOR EVALUATING TWO NEW TYPES OF GENERALIZED BALL CURVES/SURFACES AND THEIR APPLICATIONS
Guo Jin WANG, Suo Rong JIANG
Acta Mathematicae Applicatae Sinica . 2004, (1): 52 -63 .  DOI: 10.12387/C2004006