@article{DAN_1967_174_1_a2,
     author = {Yu. A. Drozd},
     title = {Representations of cubic $Z$-rings},
     journal = {Doklady Akademii Nauk},
     pages = {16--18},
     publisher = {mathdoc},
     volume = {174},
     number = {1},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1967_174_1_a2/}
}