Publisher： Mathematical Association of America
E-ISSN： 1930-0972|122|5|500-507
ISSN： 1930-0972
Source： American Mathematical Monthly, Vol.122, Iss.5, 2015-05, pp. : 500-507
Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.
Related content
American Mathematical Monthly, Vol. 120, Iss. 7, 2013-06 ,pp. :
Access to resources
Recommend
American Mathematical Monthly, Vol. 121, Iss. 10, 2014-12 ,pp. :
The College Mathematics Journal, Vol. 44, Iss. 3, 2013-05 ,pp. :
American Mathematical Monthly, Vol. 121, Iss. 8, 2014-10 ,pp. :
The College Mathematics Journal, Vol. 42, Iss. 1, 2011-01 ,pp. :