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@article{MZ_1973__135_172016, author = {Richard M. Wilson}, title = {Nonisomorphic {Steiner} {Triple} {System.}}, journal = {Mathematische Zeitschrift}, pages = {303--314}, publisher = {mathdoc}, volume = {135}, year = {1973}, zbl = {0264.05009}, url = {http://geodesic.mathdoc.fr/item/MZ_1973__135_172016/} }
Richard M. Wilson. Nonisomorphic Steiner Triple System.. Mathematische Zeitschrift, Tome 135 (1973), pp. 303-314. http://geodesic.mathdoc.fr/item/MZ_1973__135_172016/