November 1977 November 25, 1977 mathNEWS Editor Click through to view the PDFs for: mathNEWS-15-6 (November 4, 1977) mathNEWS-15-7 (November 11, 1977) mathNEWS-15-8 (November 18, 1977) mathNEWS-15-9 (November 25, 1977)