2 at least half the valency

Jack H. Koolen, Jongyook Park. 2 at least half the valency. Journal of Combinatorial Theory, Series A, 119(3):546-555, 2012. [doi]

Authors

Jack H. Koolen

This author has not been identified. Look up 'Jack H. Koolen' in Google

Jongyook Park

This author has not been identified. Look up 'Jongyook Park' in Google