Ziemer, William P. <br/><br/>
Weakly differentiable functions  sobolev spaces and functions of bounded variation 
by William P. Ziemer 
 - New York  Springer-Verlag  1989 
 - xvi, 308p. 
 - Graduate texts in mathematics  120 .
<br/><br/><label>ISBN: </label>0387970177 
<br/><br/><label>Dewey Class. No.: </label>515.73  / N891