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@article{CM_1980__42_2_187_0, author = {Wall, C. T. C.}, title = {Singularities of nets of quadrics}, journal = {Compositio Mathematica}, pages = {187--212}, publisher = {Sijthoff et Noordhoff International Publishers}, volume = {42}, number = {2}, year = {1980}, mrnumber = {596875}, zbl = {0423.14002}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CM_1980__42_2_187_0/} }
Wall, C. T. C. Singularities of nets of quadrics. Compositio Mathematica, Tome 42 (1980) no. 2, pp. 187-212. http://geodesic.mathdoc.fr/item/CM_1980__42_2_187_0/