Special and spurious solutions of x(t) =- ga sf (x(t-1))/
Roger D. Nussbaum and Heinz-Otto Peitgen.
- Providence, R.I.: American Mathematical Society, c1984.
- viii, 129 p.: ill.; 25 cm.
- Memoirs of the American Mathematical Society, no. 310 (Sept. 1984). 0065-9266 ; .
- Memoirs of the American Mathematical Society; no. 310. .