Bernacchi, Giancarlo <br/><br/>
Tensors made Easy :  an informal introduction to math of general relativity / 
Bernacchi, Giancarlo 
 - Italia,  2017. 
 - 225p. ;  Paperback 
<br/><br/><label>ISBN: </label>9781326292539 
<br/><br/><label>Dewey Class. No.: </label>515.63  / BER