1. Bosch, S.: Zur Kohomologietheorie Rigid Analytischer Räume. Manuscr. Math.20, 1?27 (1977)
2. Drinfeld, V.G.: Coverings ofp-adic symmetric regions. Funct. Anal. Appl.10, 29?40 (1976)
3. Hazewinkel, M.: Formal groups and applications. New York: Academic Press 1978
4. Manin, Yu.:p-adic automorphic functions. J. Sov. Math. 279?334 (1976)
5. Mumford, D.: An analytic construction of degenerating curves over complete local rings. Compos. Math,24, 129?174 (1972)