TY  - JOUR
AU  - Sun, Shu Hao
AU  - Choo, Koo Guan
TI  - Some new cardinal inequalities involving a cardinal function less than the spread and the density
JO  - Commentationes Mathematicae Universitatis Carolinae
PY  - 1990
SP  - 395
EP  - 401
VL  - 31
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMUC_1990__31_2_a22/
LA  - en
ID  - CMUC_1990__31_2_a22
ER  -