Essentials of Brownian motion and diffusion  
Knight, Frank B., 
 - Providence, R.I. :  American Mathematical Society,  1981 
 - 1 online resource (xiii, 201 p.) 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0821815180 | 9781470412456 (online)