Strogatz, S.
The calculus of friendship: What a teacher and a student learned about life while corresponding about math - Princeton Princeton University Press 2009 - xii, 166p.
978-0-691-13493-2
The calculus of friendship: What a teacher and a student learned about life while corresponding about math - Princeton Princeton University Press 2009 - xii, 166p.
978-0-691-13493-2