50 visions of mathematics. 1st ed. Oxford : Oxford University Press, 2014. 1 online zdroj (ix, 198 s.). Available on Internet: <http://search.ebscohost.com/login.aspx?direct=true&db=nlebk&AN=815206&lang=cs&site=eds-live&ebv=EB&ppid=pp_Cover> ISBN 978-0-19-100533-6.