Geometry of the Laplace operator 

 - Providence, R.I. :  American Mathematical Society,   Hawaii 
 - vii, 323 p. ;  26 cm. 
 - Honolulu .
<br/><br/> Proceedings of the Symposium in Pure Mathematics of the American Mathematical Society 
<br/><br/><label>ISBN: </label>9780821814390 (paper cover;