@article{MZ_1991__206_1_174203,
     author = {Michel Enguehard},
     title = {Isom\'etrics parfaites entre blocs de groupes lin\'eaires ou unitaires.},
     journal = {Mathematische Zeitschrift},
     pages = {1--24},
     publisher = {mathdoc},
     volume = {206},
     number = {1},
     year = {1991},
     zbl = {0694.20025},
     url = {http://geodesic.mathdoc.fr/item/MZ_1991__206_1_174203/}
}