Memoirs of the American Mathematical Society, ISSN 0065-9266 ; Volume 113, Number 544
Print version: Walther, Hans-Otto. 2-dimensional attractor of x(t)=-[mu]x(t)+f(x(t-1)) Providence, Rhode Island : American Mathematical Society, c1995 vi, 76 pages Memoirs of the American Mathematical Society ; Volume 113, Number 544. ISBN 9780821826027
"January 1995, Volume 113, Number 544 (end of volume)."