default search action
"Two results about points, lines and planes."
George B. Purdy (1986)
- George B. Purdy:
Two results about points, lines and planes. Discret. Math. 60: 215-218 (1986)
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.