@article{10_4153_CMB_1991_023_0,
     author = {Zhang, Liang-Cheng and Gordon, Jonathan},
     title = {On {Unit} {Solutions} of the {Equation} xyz = x + y + z in {Not} {Totally} {Real} {Cubic} {Fields}},
     journal = {Canadian mathematical bulletin},
     pages = {141--144},
     year = {1991},
     volume = {34},
     number = {1},
     doi = {10.4153/CMB-1991-023-0},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1991-023-0/}
}