Kopanskii, A. Ya books & textbook
SMOOTH INVARIANT MANIFOLDS AND NORMAL FORMS (World Scientific Series on Nonlinear Science. Series A, Monographs and Treatises, V. 7, a)
Bronshtein, I. U. Kopanskii, A. Ya Bronstein, I. U.
World Scientific Pub Co Inc /1994-12-01 Hardcover / 384 Pages
isbn-10: 981021572X / isbn-13: 9789810215729
