9781108844161.jpg。9781108479622i.jpg。Introduction to Topology and Geometry | Princeton University Press。表紙に傷あります。中身は綺麗です。SASHO KALAJDZIEVSKIAN ILLUSTRATEDINTRODUCTION TOTOPOLOGY and HOMOTOPY。Topology: A Very Short Introduction: Amazon.co.uk: Earl, Richard。[洋書] Logical Effort Ivan Sutherlandほか著