TY  - JOUR
AU  - J. Płonka
TI  - On the number of independent elements in finite abstract algebras with two binary symmetrical operations
JO  - Colloquium Mathematicum
PY  - 1968
SP  - 9
EP  - 21
VL  - 19
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-19-1-9-21/
DO  - 10.4064/cm-19-1-9-21
LA  - en
ID  - 10_4064_cm_19_1_9_21
ER  -