用最低次曲面光滑拼接多个二次曲面的判别条件

厉玉蓉, 雷娜，张树功

Existence Criterion of Blending Several Quadratic Surfaces with the Lowest Degree Surface

LI Yu-rong, LEI Na, ZHANG Shu-gong

吉林大学学报(理学版) . 2003, (02): 157 -158 .