@article{MAN_1975__218_162796,
     author = {Gopal Prasad},
     title = {Triviality of {Certain} {Automorphisms}  of {Semi-Simple} {Groups} over {Local} {Fields.}},
     journal = {Mathematische Annalen},
     pages = {219--228},
     publisher = {mathdoc},
     volume = {218},
     year = {1975},
     zbl = {0302.20040},
     url = {http://geodesic.mathdoc.fr/item/MAN_1975__218_162796/}
}