By Sagan B.E.   in Advances in Mathematics

ISSN:0001-8708|111|2|195-207

Academic Press‎(1995)‎

Access to resources Favorite 16.07069

By Blass A.   Sagan B.E.   in Advances in Mathematics

ISSN:0001-8708|127|1|94-123

Academic Press‎(1997)‎

Access to resources Favorite 13.027298