Polya, G. <br/><br/>
Induction and analogy in mathematics, Vol.1   
by G. Polya. 
 - Princeton  Princeton Univ.Press  1954 
 - xvi, 280p, incl bibl. 
 - of Mathematics and Plausible Reasoning .
<br/><br/> V.R. Patterns of Plausible Inference 
<br/><br/><label>LCCN: </label>53-6388 
<br/><br/><label>Dewey Class. No.: </label>511.3  / N54.1