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@article{AM2_1973__9_136377, author = {N.S. MENDELSOHN and Y.S. HO}, title = {Inequalities for f-designs with {Repeated} {Blocks} {(Short} {Communication)}}, journal = {Aequationes mathematicae}, pages = {312--313}, publisher = {mathdoc}, volume = {9}, year = {1973}, url = {http://geodesic.mathdoc.fr/item/AM2_1973__9_136377/} }
N.S. MENDELSOHN; Y.S. HO. Inequalities for f-designs with Repeated Blocks (Short Communication). Aequationes mathematicae, Tome 9 (1973), pp. 312-313. http://geodesic.mathdoc.fr/item/AM2_1973__9_136377/