@article{MAN_1991__289_4_164785,
     author = {Frank Morgan},
     title = {The cone over the {Clifford} torus in {R4} ist ...-minimizing.},
     journal = {Mathematische Annalen},
     pages = {341--354},
     publisher = {mathdoc},
     volume = {289},
     number = {4},
     year = {1991},
     zbl = {0725.49013},
     url = {http://geodesic.mathdoc.fr/item/MAN_1991__289_4_164785/}
}