@article{GDZPPN002027291,
title = {Inequalities for f-designs with Repeated Blocks (Short Communication)},
journal = {Aequationes mathematicae},
volume = {9},
year = {1973},
pages = {312-313},
url = {http://dml.mathdoc.fr/item/GDZPPN002027291}
}
MENDELSOHN, N.S.; HO, Y.S. Inequalities for f-designs with Repeated Blocks (Short Communication). Aequationes mathematicae, Tome 9 (1973) pp. 312-313. http://gdmltest.u-ga.fr/item/GDZPPN002027291/