default search action
"A theorem on labelled trees and the limits of its provability."
Helmut Pfeiffer (1990)
- Helmut Pfeiffer:
A theorem on labelled trees and the limits of its provability. Math. Log. Q. 36(2): 107-122 (1990)
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.