【作者(必填)】W. C. Waterhouse, Ralph Greenberg, J. E. MacDonald, Jr., T. R. Curry, E. R. Barnes, L. J. Green, P. R. Chernoff, David Singmaster, R. A. Jacobson and J. L. Brenner

【文题(必填)】Problems for Solution: E1641-E1650

【年份(必填)】1963

【全文链接或数据库名称(选填)】https://www.jstor.org/stable/2312848