Levi-Civita, Tullio <br/><br/>
A simplified presentation of einstein's unified field equations 
Tullio Levi-Civita                                          
 - London  Blackie 
 - 22p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and Astrophysics Thesaurus<br/>Differential Equations<br/>Unified Field Equations
<br/><br/><label>Universal Decimal Class. No.: </label>517.91  / LEV