default search action
"Subsets of a Finite Set That Intersect Each Other in At Most One Element."
H. J. Ryser (1974)
- H. J. Ryser:
Subsets of a Finite Set That Intersect Each Other in At Most One Element. J. Comb. Theory A 17(1): 59-77 (1974)
manage site settings
To protect your privacy, all features that rely on external API calls from your browser are turned off by default. You need to opt-in for them to become active. All settings here will be stored as cookies with your web browser. For more information see our F.A.Q.