@article{DM_2013_25_1_a7,
     author = {S. S. Davidov},
     title = {On the solvability of the equational theory of commutative medial $n$-ary groupoids},
     journal = {Diskretnaya Matematika},
     pages = {121--136},
     publisher = {mathdoc},
     volume = {25},
     number = {1},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_2013_25_1_a7/}
}