TY  - JOUR
AU  - K. Morita 
TI  - Theorems on Two Tetrahedrons Intersecting a Sphere
JO  - Journal for geometry and graphics
PY  - 2018
SP  - 219
EP  - 227
VL  - 22
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JGG_2018_22_2_JGG_2018_22_2_a5/
ID  - JGG_2018_22_2_JGG_2018_22_2_a5
ER  -