References for Govindasvami
- R C Gupta, Fractional parts of Aryabhata's sines and certain rules found in Govindasvami's Bhasya on the Mahabhaskarya, Indian J. History Sci. 6 (1971), 51-59.
- S K Jha and V N Jha, Computation of sine-table based on the Mahasiddhanta of Aryabhata II, J. Bihar Math. Soc. 14 (1991), 9-17.