TY  - JOUR
AU  - Waszak, Aleksander
TI  - A contribution to the theory of countably modulared spaces of double sequences
JO  - Commentationes Mathematicae Universitatis Carolinae
PY  - 1989
SP  - 743
EP  - 748
VL  - 30
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMUC_1989__30_4_a15/
LA  - en
ID  - CMUC_1989__30_4_a15
ER  -