Stop the war!
Остановите войну!
for scientists:
default search action
"Classes and change."
Zane Parks (1972)
- Zane Parks:
Classes and change. J. Philos. Log. 1(2): 162-169 (1972)
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.