Strogatz, Steven <br/><br/>
The calculus of friendship :  what a teacher and a student learned about life while corresponding about math / 
Steven Strogatz. 
 - Princeton, N.J. :  Princeton Univ. Press,  2011. 
 - 166 p. :  ill. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780691150383 
<br/><br/><label>Subjects--Personal Names: </label><br/>Strogatz, Steven H.--Correspondence<br/>Joffray, Don 1929- --Correspondence
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematicians--Correspondence<br/>Calculus<br/>Differential equations<br/>Chaotic behavior in systems
<br/><br/><label>LC Class. No.: </label>QA 29 .S77  / S776C