@article{JRAM_1979__306_152090,
     author = {Erich W. Ellers},
     title = {Radical relations in unitary, symplectic, and orthogonal groups.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {1--6},
     publisher = {mathdoc},
     volume = {306},
     year = {1979},
     zbl = {0399.51008},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1979__306_152090/}
}