L. Borisov and P. Gunnells, Toric modular forms and nonvanishing of L-functions, J. Reine Angew. Math, vol.539, pp.149-165, 2001.

L. Borisov and P. Gunnells, Toric modular forms of higher weight, J. Reine Angew. Math, vol.560, pp.43-64, 2003.

F. Chiera, On Petersson products of not necessarily cuspidal modular forms, J. Number Theory, vol.122, pp.13-24, 2007.

H. Cohen, Haberland's formula and numerical computation of Petersson scalar products, Proceedings ANTS X, vol.1, pp.249-270, 2013.

H. Cohen and F. Strömberg, Modular Forms, A Classical Approach, Graduate Studies in Math, vol.179, 2017.

D. Collins, Numerical computation of Petersson inner products and q-expansions

P. Nelson, Evaluating modular forms on Shimura curves, Math. Comp, vol.84, pp.2471-2503, 2015.

P. The and . Group, PARI/GP version 2.10.0, 2018.