Levi-Civita, Tullio,  1873-1941 <br/><br/>
The absolute diffrential calculus / 
[by] Tullio Levi-Civita ; edited by Enrico Persico 
 - New York :  Hafner Pub.,  1952 
 - xvi, 452 p. ;  22 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential calculus<br/>Relativity (Physics)