![](/img/cover-not-exists.png)
Proof without Words: 13+ 23+ 33+ 43+ · + n3= {n(n + 1)}2/4
Antonella CupillariVolume:
62
Language:
english
Journal:
Mathematics Magazine
DOI:
10.2307/2689765
Date:
October, 1989
File:
PDF, 205 KB
english, 1989