TY  - JOUR
AU  - Labuda, Iwo
TI  - Discrete Copies of Rings of Sets in Groups and Orlicz-Pettis Theorems
JO  - Canadian journal of mathematics
PY  - 1978
SP  - 748
EP  - 755
VL  - 30
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1978-064-0/
DO  - 10.4153/CJM-1978-064-0
ID  - 10_4153_CJM_1978_064_0
ER  -