TY  - BOOK
AU  - Ritt,Joseph Fels
AU  - Liouville,Joseph
TI  - Integration in finite terms: Liouville's theory of elementary methods 
U1  - 517.3 23 
PY  - 1948///
CY  - New York
PB  - Columbia University Press
KW  - Calculus, Integral
N1  - "References": p. [99]-100
ER  -