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| | References for Madhava (Site not responding. Last check: 2007-10-21) |
 | | R C Gupta, Madhava's power series computation of the sine, Ganita 27 (1-2) (1976), 19-24. |
 | | R C Gupta, Madhava's rule for finding angle between the ecliptic and the horizon and Aryabhata's knowledge of it, in History of oriental astronomy, New Delhi, 1985 (Cambridge, 1987), 197-202. |
 | | T Hayashi, T Kusuba and M Yano, The correction of the Madhava series for the circumference of a circle, Centaurus 33 (2-3) (1990), 149-174. |
| www-groups.dcs.st-and.ac.uk /~history/Printref/Madhava.html (185 words) |
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