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Cups and downs/

Stewart, Ian.

Cups and downs/ Ian Stewart. - Washington D. C.: Mathematical Association of America, ©Jul 2012-Sept 2015. - v43 n1, pages 15-19: illustrtations; 28 cm.

0746-8342


Mathematics.

DPer 510.5 C697 Jan 2012-Sept 2015 v. 43 & 46, n. 1-4