+ wishlist Author: Jean-Pierre Eckmann Peter Wittwer Computer Methods and Borel Summability Applied to Feigenbaum’s Equation (Lecture Notes in Physics #227) Buy More - Save More. Below are the available bulk discount rates for each individual item when you purchase a certain amount Quantity Price Savings 25 - 49 12% 50 - 99 13% 100+ 14% From $47.29 in bulk Format: Paperback