Memoirs of the American Mathematical Society, ISSN 0065-9266 ; number 289 (Jan. 1984)
Print version: Eckmann, Jean Pierre. Computer-assisted proof of universality for area-preserving maps. Providence, R.I., USA : American Mathematical Society, 1984 vi, 121 ; 26 cm Memoirs of the American Mathematical Society ; no. 289 (Jan. 1984) ISBN 9780821822890