Probability and measure  
Billingsley, Patrick. 
 - 3rd ed. 
 - New York :  Wiley,  1995 
 - xii, 593 p. :  ill. ;  25 cm. 
 - Wiley series in probability and mathematical statistics .
<br/><br/> A Wiley-Interscience publication." 
<br/><br/><label>ISBN: </label>0471007102 (acid-free paper)