@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/