TY  - JOUR
AU  - N.S. MENDELSOHN
AU  - Y.S. HO
TI  - Inequalities for f-designs with Repeated Blocks (Short Communication)
JO  - Aequationes mathematicae
PY  - 1973
SP  - 312
EP  - 313
VL  - 9
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AM2_1973__9_136377/
ID  - AM2_1973__9_136377
ER  -