1. [1] V. G. Drinfeld, Elliptic modules, Mat. Sb. (N.S.) 94(136) (1974), 594–627, 656, transl. 23 (1974), p. 561.
2. [2] V. G. Drinfeld, Mar. 1 1981, letter to B. Gross.
3. [3] B. Gross, letter to V. G. Drinfeld, Feb. 5 1981.
4. [4] R. Kiehl, Theorem A und Theorem B in der nichtarchimedischen Funktionentheorie, Invent. Math. 2 (1967), 256–273.
5. [5] D. Mumford, An algebro-geometric construction of commuting operators and of solutions to the Toda lattice equation, Korteweg deVries equation and related nonlinear equation, Proceedings of the International Symposium on Algebraic Geometry (Kyoto Univ., Kyoto, 1977), Kinokuniya Book Store, Tokyo, 1978, pp. 115–153.