曲面上法曲率的最值和最值切方向的性质

邢家省, 王拥军

Properties of Extreme Value and Extreme Value Tangent Vector of Normal Curvature on Surface

XING Jia-Sheng, WANG Yong-Jun

journal6 . 2013, (1): 6 -10 . DOI: 10.3969/j.issn.1007-2985.2013.01.002