@article{GDZPPN002421569,
title = {Ranks of Incidence Matrices of Steiner Triple Systems.},
journal = {Mathematische Zeitschrift},
volume = {162},
year = {1978},
pages = {251-260},
zbl = {0373.05011},
url = {http://dml.mathdoc.fr/item/GDZPPN002421569}
}
Doyen, Jean; Hubaut, X.; Vandensavel, M. Ranks of Incidence Matrices of Steiner Triple Systems.. Mathematische Zeitschrift, Tome 162 (1978) pp. 251-260. http://gdmltest.u-ga.fr/item/GDZPPN002421569/