Stop the war!
Остановите войну!
for scientists:
default search action
"Combinatorial theorems on contractive mappings in power sets."
Egbert Harzheim (1982)
- Egbert Harzheim:
Combinatorial theorems on contractive mappings in power sets. Discret. Math. 40(2-3): 193-201 (1982)
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.