摘要
将射影几何中的 Desargues定理推广到 P3中两个四面体的情形 。
The Desargues Theorem in projective geometry has been extended to the case of two tetrahedroids in P \+3 and four equivalent conditions about tetrahedroid have been derived.
出处
《甘肃科学学报》
2000年第3期21-23,共3页
Journal of Gansu Sciences