MATHEMATICAL RESEARCH LETTERS
journal50418
E106816
US
1073-2780
English
Rivista
International Press:PO Box 43502:Somerville, MA 02143:(617)623-3016, (617)623-3101, EMAIL: journals@intlpress.com, INTERNET: http://www.intlpress.com, Fax: (617)623-3101
1994
can
cannot
false