19/12/10 18:04:32 iMjWsbUs.net
Erdős, P.; Ginzburg, A.; Ziv, A. (1961). "Theorem in additive number theory". Bull. Research Council Israel. 10F: 41–43.
URLﾘﾝｸ(www.renyi.hu)
「Zero-sum problem」
URLﾘﾝｸ(en.wikipedia.org)
19/12/10 18:04:32 iMjWsbUs.net
Erdős, P.; Ginzburg, A.; Ziv, A. (1961). "Theorem in additive number theory". Bull. Research Council Israel. 10F: 41–43.
URLﾘﾝｸ(www.renyi.hu)
「Zero-sum problem」
URLﾘﾝｸ(en.wikipedia.org)