Bīrūnī, Muḥammad ibn Aḥmad, Alberuni's India (v. 1)

(London :  Kegan Paul, Trench, Trübner & Co.,  1910.)



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  Page 377  

CHAPTER XLII.                            377

is the same according to both. Therefore, evidently
Pulisa gives the solar year more days than Brahma¬
gupta. To judge from the report of Brahmagupta,
Aryabhata gives a caturyugct 300 days less than Pulisa,
and 1050 more than Brahmagupta, Accordingly, Arya¬
bhata must reckon the solar year longer than Brahma¬
gupta and shorter than Pnlisa,
  Page 377