*Valid September 30, 2024 - December 25, 2024 at Canadian stores and at indigo.ca, while quantities last, with $50.00 or more pre-tax purchase of eligible product(s), after discounts and plum points redemptions. Minimum purchase amount excludes gift cards, plum+ memberships, Love of Reading products/donations, and shipping costs. Selection may vary between stores and online.
An Introduction to Harmonic Analysis/en-ca/an-introduction-to-harmonic-analysis/83FBF221-7F70-4EE1-8698-4C6D5FDB380B.html83FBF221-7F70-4EE1-8698-4C6D5FDB380B