@article{MAN_1962__147_160975,
     author = {C.T.C. WALL},
     title = {On the {Orthogonal} {Groups} of {Unimodular} {Quadratic} {Forms.}},
     journal = {Mathematische Annalen},
     pages = {328--338},
     publisher = {mathdoc},
     volume = {147},
     year = {1962},
     zbl = {0109.03305},
     url = {http://geodesic.mathdoc.fr/item/MAN_1962__147_160975/}
}