@article{MM3_2007_11_1_a2,
     author = {Vesna Celakoska-Jordanova},
     title = {On {Quaternary} {Associative} {Operations}},
     journal = {Mathematica Moravica},
     pages = {17 - 25},
     publisher = {mathdoc},
     volume = {11},
     number = {1},
     year = {2007},
     url = {https://geodesic-test.mathdoc.fr/item/MM3_2007_11_1_a2/}
}