Hoel, P. G. <br/><br/>
Introduction to probability theory / 

 - Boston:  Houghton Mifflin,  1971 
 - xi, 258p. Bibl. Index. 
 - The Houghton Mifflin series in Statistics .
<br/><br/><label>ISBN: </label>039504636X 
<br/><br/><label>Dewey Class. No.: </label>519.2  / H694.IP