id: 50026766
dt: j
an: 50026766
au: Rosa, Alexander; Hoffman, Dean G.
ti: The number of repeated blocks in twofold triple systems
so: J. Comb. Theory, Ser. A 41, No. 1, 61-88 (1986).
py: 1986
pu: 
la: EN
cc: 
ut: 
ci: 
li: doi:10.1016/0097-3165(86)90115-9