@article{GDZPPN002413841,
title = {Nonisomorphic Steiner Triple System.},
journal = {Mathematische Zeitschrift},
volume = {135},
year = {1973},
pages = {303-314},
zbl = {0264.05009},
url = {http://dml.mathdoc.fr/item/GDZPPN002413841}
}
Wilson, Richard M. Nonisomorphic Steiner Triple System.. Mathematische Zeitschrift, Tome 135 (1973) pp. 303-314. http://gdmltest.u-ga.fr/item/GDZPPN002413841/