TY  - JOUR
AU  - Vesna Celakoska-Jordanova
TI  - On Quaternary Associative Operations
JO  - Mathematica Moravica
PY  - 2007
SP  - 17 
EP  -  25
VL  - 11
IS  - 1
PB  - mathdoc
UR  - https://geodesic-test.mathdoc.fr/item/MM3_2007_11_1_a2/
ID  - MM3_2007_11_1_a2
ER  -