@article{GDZPPN002026171,
title = {Extended Triple Systems (Short Communication)},
journal = {Aequationes mathematicae},
volume = {7},
year = {1971},
pages = {326-326},
url = {http://dml.mathdoc.fr/item/GDZPPN002026171}
}
MENDELSOHN, N.S.; JOHNSON, D.M. Extended Triple Systems (Short Communication). Aequationes mathematicae, Tome 7 (1971) p. 326. http://gdmltest.u-ga.fr/item/GDZPPN002026171/