@article{AM2_1981__22_136882,
     author = {Walter Taylor},
     title = {Hyperidentities and {Hypervarieties.} {(Short} {Communication).}},
     journal = {Aequationes mathematicae},
     pages = {312--314},
     publisher = {mathdoc},
     volume = {22},
     year = {1981},
     url = {http://geodesic.mathdoc.fr/item/AM2_1981__22_136882/}
}