1. A guide to mathematical quasicrystals;Baake,2002
2. Aperiodic Order. Vol. 1. A Mathematical Invitation;Baake,2013
3. Aperiodic Order;Baake,2017
4. Topologies on Closed and Closed Convex Sets;Beer,1993
5. Addition of integer sequences and subsets of real tori;Bilu,1999