Title: The Calculus of Friendship
Subtitle: What a Teacher and a Student Learned about Life while Corresponding about Math
Subjects: Correspondence, Calculus, Mathematicians, Differential equations, Chaotic behavior in systems, Strogatz, Steven H. -- Correspondence, Joffray, Don, -- 1929- -- Correspondence, Mathematicians -- Correspondence, Difference equations
People: Steven H. Strogatz, Don Joffray (1929-)