@article{IM_1991__104_1_143876,
     author = {David B. Massey},
     title = {The {Le} varieties, {II.}},
     journal = {Inventiones mathematicae},
     pages = {113--148},
     publisher = {mathdoc},
     volume = {104},
     number = {1},
     year = {1991},
     zbl = {0727.32015},
     url = {http://geodesic.mathdoc.fr/item/IM_1991__104_1_143876/}
}