Levi-Civita, Tullio ; Persico, Enrico <br/><br/>
The absolute differential calculus / 

 -  Blackie & Son Limited, London And Glasgow 
 - 452 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>515.33  / LEVA