TY  - BOOK
AU  - Levi-Civita, Tullio
AU  - Persico, Enrico
AU  - Long, Morjorie
TI  - Absolute differential calculus: : calculus of tensor 
U1  - 515.1 
PY  - 1977///
CY  - New York
PB  - Dover
N1  - "Translated from Italian by Marjorie Long"
ER  -