TY  - JOUR
AU  - J. Płonka
TI  - On the arity of idempotent reducts of groups
JO  - Colloquium Mathematicum
PY  - 1970
SP  - 35
EP  - 37
VL  - 21
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-21-1-35-37/
DO  - 10.4064/cm-21-1-35-37
LA  - en
ID  - 10_4064_cm_21_1_35_37
ER  -