@article{MMO_1963_12_a9,
     author = {O. N. Golovin},
     title = {Multi-identity relations in groups and operations defined by them on the class of all groups},
     journal = {Trudy Moskovskogo matemati\v{c}eskogo ob\^{s}estva},
     pages = {413--435},
     publisher = {mathdoc},
     volume = {12},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MMO_1963_12_a9/}
}