Stochastic calculus : 
Durrett, Richard, 
 - Boca Raton :  CRC Press,  1996 
 - vi, 341 p. ;  24 cm. 
 - Probability and stochastics series .
<br/><br/> Rev. ed. of: Brownian motion and martingales in analysis. c1984. 
<br/><br/><label>ISBN: </label>0849380715 (acid-free paper)