@article{PFMT_2018_3_a11,
     author = {A. M. Gal'mak},
     title = {Permutability of elements in polyadic groupoids of special form},
     journal = {Problemy fiziki, matematiki i tehniki},
     pages = {70--75},
     publisher = {mathdoc},
     number = {3},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PFMT_2018_3_a11/}
}