@article{IM_1988__92_1_143568,
     author = {T.N. Venkataramana},
     title = {On superrigidity and arithmeticity of lattices in semisimple groups over local fields of arbitrary characteristic.},
     journal = {Inventiones mathematicae},
     pages = {255--306},
     publisher = {mathdoc},
     volume = {92},
     number = {1},
     year = {1988},
     zbl = {0649.22008},
     url = {http://geodesic.mathdoc.fr/item/IM_1988__92_1_143568/}
}