TY  - JOUR
AU  - Ellis, David
TI  - On Infinite Series of Sets
JO  - Glasgow mathematical journal
PY  - 1954
SP  - 89
EP  - 92
VL  - 2
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.1017/S2040618500033086/
DO  - 10.1017/S2040618500033086
ID  - 10_1017_S2040618500033086
ER  -