1. Chen, I., Lee, Y.: Newton polygons, successive minima, and different bounds for Drinfeld modules of rank 2. Proc. Am. Math. Soc. (to appear)
2. Gekeler E.-U.: A survey on Drinfeld modular forms. Turkish J. Math. 23(4), 485–518 (1999)
3. Gekeler E.-U.: On the Drinfeld discriminant function. Compos. Math. 106, 181–202 (1997)
4. Gekeler E.-U.: Para-Eisenstein series for the modular group $${GL(2,\mathbb{F}_q[T])}$$ . Taiwan. J. Math. 15(4), 1463–1475 (2011)
5. Gekeler E.-U.: Zero distribution and decay at infinity of Drinfeld modular coefficient forms. Int. J. Number Theory. 7(3), 671–693 (2011)