Walther, Hans-Otto.

The 2-dimensional attractor of x'(t)=-[mu]x(t)+f(x(t-1)) - Providence, RI : American Mathematical Society, c1995. - 1 online resource (vi, 76 p. : 25 cm.) - Memoirs of the American Mathematical Society, 1947-6221 ; .

9781470401238 (online)