TY  - JOUR
AU  - Sun, Shu-Hao
AU  - Choo, Koo-Guan
TI  - New properties of the concentric circle space and its applications to cardinal inequalities
JO  - Commentationes Mathematicae Universitatis Carolinae
PY  - 1991
SP  - 395
EP  - 403
VL  - 32
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMUC_1991__32_2_a22/
LA  - en
ID  - CMUC_1991__32_2_a22
ER  -