Polya, George,  1887-1985 <br/><br/>
How to solve it / 
G. Polya. 
 - 2nd ed. 
 - Garden City, N.Y. :  Doubleday,  1957. 
 - 253 p. ;  18 cm. 
<br/><br/> Pages 1-4 of this book is missing. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching.<br/>Mathematics--Problems, exercises, etc.