ISBNs beginnend mit 978-1-4471-xxxx-xDirk van Dalen ×eBooks × Logic and Structure Dirk van DalenSpringer LondoneBook201274,89 € L.E.J. Brouwer – Topologist, Intuitionist, PhilosopherHow Mathematics Is Rooted in LifeDirk van DalenSpringer LondoneBook201264,19 €
