ISBN 0521231582 books & textbook
Theory and Applications of Hopf Bifurcation (London Mathematical Society Lecture Note Series, Series Number 41)
Hassard, B. D. Kazarinoff, N. D. Wan, Y.-H.
Cambridge University Press /1981-02-27 Paperback / 311 Pages
isbn-10: 0521231582 / isbn-13: 9780521231589