Gilkey, Peter B. <br/><br/>
Geometric properties of natural operators defined by the Riemann curvature tensor / 
Peter B. Gilkey 
 - Singapore :  World Scientific,  2001 
 - viii, 306 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references (p. 293-302) and index 
<br/><br/><label>ISBN: </label>9810247524  RM233.16 
<br/><br/><label>LCCN: </label>2002-284361 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry, Riemannian<br/>Curvature<br/>Operator theory