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@article{COMIM_2005__13_1_a7, author = {Steuding, J\"orn}, title = {Upper bounds for the density of universality. {II}}, journal = {Communications in Mathematics}, pages = {73--82}, publisher = {mathdoc}, volume = {13}, number = {1}, year = {2005}, mrnumber = {2290420}, zbl = {1251.11059}, language = {en}, url = {http://geodesic.mathdoc.fr/item/COMIM_2005__13_1_a7/} }
Steuding, Jörn. Upper bounds for the density of universality. II. Communications in Mathematics, Tome 13 (2005) no. 1, pp. 73-82. http://geodesic.mathdoc.fr/item/COMIM_2005__13_1_a7/