1. Cornelissen, G.: Drinfeld modular forms of weight one. J. Number Theory 67, 215–228 (1997)
2. Farkas, H.M., Kra, I.: Theta constants, Riemann surfaces and the modular group. An introduction with applications to uniformization theorems, partition identities and combinatorial number theory. Grad. Stud. Math. 37, xxiv+531 (2001)
3. Farkas, H.M., Kopeliovich, Y., Kra, I.: Uniformizations of modular curves. Commun. Anal. Geom. 4, 207–259 (1996). Corrigendum ibid. 681
4. Fujita, T.: Defining equations for certain types of polarized varieties. Complex analysis and algebraic geometry. In: Baily, W.L., Shioda, T., Shoten, I. (eds.) A Collection of Papers Dedicated to K. Kodaira, pp. 165–173. Cambridge University Press, Cambridge (1977)
5. Ibukiyama, T.: Modular forms of rational weights and modular varieties. Abhand. Semi. Univ. Hamburg 70, 315–339 (2000)