10.1090/s1079-6762-06-00156-9
Kruglikov, Boris S., Matveev, Vladimir S.Volume:
12
Language:
english
Journal:
Electronic Research Announcements of the American Mathematical Society
DOI:
10.1090/s1079-6762-06-00156-9
Date:
March, 2006
File:
PDF, 216 KB
english, 2006