Strogatz, Steven <br/><br/>
Calculus of friendship  : what a teacher and a student learned about life while corresponding about math 

 - New Jersey  Princeton  2009 
 - 162p. 
<br/><br/><label>ISBN: </label>9780691150383 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>510.92  / T09 STR