TY  - JOUR
AU  - Y. Tsuji
AU  - H. Suzuki 
TI  - Geometric Feature of a Structure Composed of Concave and Convex Parabolic Mirrors
JO  - Journal for geometry and graphics
PY  - 2019
SP  - 235
EP  - 244
VL  - 23
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JGG_2019_23_2_JGG_2019_23_2_a9/
ID  - JGG_2019_23_2_JGG_2019_23_2_a9
ER  -