Two Treatises on Indian Astronomy

Clark W. E. , The Āryabhaṭïya of Āryabhaṭa (Chicago, 1930). New translation by Shukla K. S. and Sarma K. V. , New Delhi, 1976.

Mihira Varāha , Pañcasiddhāntikā, ed. by Thibaut and Dvivedi , with English translation (Benares, 1889; reprint: Motilal Banarsi Dass, Lahore, 1930). New edn and translation by Neugebauer O. and Pingree D. , Danske Vidensk. Selskab. Histor.-Filos. Skrifter, vi (1970–71).

The Khaṇḍakhadyāka of Brahmagupta, translated into English by Sengupta P. C. (Calcutta, 1934).

See the statement by Varāha Mihira quoted in (B), p. 83 below, and also my paper cited in ref. 5, p. 168.

van der Waerden B. L. , “Diophantische Gleichungen und Planetenperioden in der indischen Astronomie”, Vierteljahresschrift der Naturforschenden Gesellschaft in Zürich, c (1955), 153–70.

See Neugebauer O. , A history of ancient mathematical astronomy (3 vols, Berlin, 1975), ii, 969–1028.

van der Waerden B. L. , “The Great Year in Greek, Persian and Hindu astronomy”, Archive for history of exact sciences, xviii (1977–78), 359–84.

Ibn Yūnus in the Leiden fragment of his Hākimī Zij, Leiden Cod. Or. 143, p. 124.

Op. cit. (ref. 1).

Pingree D. , “The later Paulisasiddhānta”, Centaurus, xiv (1969), 178–9.