@article{GDZPPN002024772,
title = {Orthogonal Steiner Systems.},
journal = {Aequationes mathematicae},
volume = {5},
year = {1970},
pages = {268-272},
zbl = {0212.03501},
url = {http://dml.mathdoc.fr/item/GDZPPN002024772}
}
Mendelsohn, N.S. Orthogonal Steiner Systems.. Aequationes mathematicae, Tome 5 (1970) pp. 268-272. http://gdmltest.u-ga.fr/item/GDZPPN002024772/