TY  - JOUR
AU  - Levitzki, Jakob
TI  - On multiplicative systems
JO  - Compositio Mathematica
PY  - 1951
SP  - 76
EP  - 80
VL  - 8
PB  - Kraus Reprint
UR  - http://www.numdam.org/item/CM_1951__8__76_0/
LA  - en
ID  - CM_1951__8__76_0
ER  -