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@article{MZ_1971__122_171580, author = {William M. Kantor}, title = {Note on {Symmetric} {Designs} and {Projective} {Spaces.}}, journal = {Mathematische Zeitschrift}, pages = {61--62}, publisher = {mathdoc}, volume = {122}, year = {1971}, zbl = {0228.50006}, url = {http://geodesic.mathdoc.fr/item/MZ_1971__122_171580/} }
William M. Kantor. Note on Symmetric Designs and Projective Spaces.. Mathematische Zeitschrift, Tome 122 (1971), pp. 61-62. http://geodesic.mathdoc.fr/item/MZ_1971__122_171580/