Freeden, Willi. <br/><br/>
Spherical functions of mathematical geosciences:  a scalar, vectorial, and tensorial setup/ 
Willi Freeden, Michael Schreiner. 
 - Berlin:  Springer-Verlag,  c2009. 
 - xv, 602 p. :  24 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>9783540851110 
<br/><br/><label>Dewey Class. No.: </label>516.246  / F853