Media type: E-Article Title: News & Letters Contributor: Kandall, Geoffrey A.; Lindstrom, Peter A.; MacKay, H.; Sokolowsky, Daniel; Johnsonbaugh, Richard; Schattschneider, Doris; Neyers, Victor; Blockton, Connie imprint: Informa UK Limited, 1977 Published in: Mathematics Magazine Language: English DOI: 10.1080/0025570x.1977.11976615 ISSN: 0025-570X; 1930-0980 Keywords: General Mathematics Origination: Footnote: