TY  - JOUR
AU  - Andrzej Walendziak
TI  - On Axiom Systems of Pseudo-BCK Algebras
JO  - Bulletin of the Malaysian Mathematical Society
PY  - 2011
VL  - 34
IS  - 2
UR  - http://geodesic.mathdoc.fr/item/BMMS_2011_34_2_a7/
ID  - BMMS_2011_34_2_a7
ER  -