TY - BOOK AU - Nicholls,Peter J. TI - The ergotic theory of discrete groups SN - 0-521-37674-2 U1 - 517.31 NIC PY - 1989///. CY - Cambridge : PB - Cambridge University Press, KW - Ergodic theory KW - Finite groups KW - Fuchsian groups N1 - Includes index. ER -