TY  - JOUR
AU  - Edward Marczewski
TI  - Concerning the symmetric difference in the theory of sets and in Boolean algebras
JO  - Colloquium Mathematicum
PY  - 1947
SP  - 199
EP  - 202
VL  - 1
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-1-3-199-202/
DO  - 10.4064/cm-1-3-199-202
LA  - en
ID  - 10_4064_cm_1_3_199_202
ER  -