TY  - BOOK
AU  - Lanczos Cornelius 
TI  - Variational principles of mechanics
T2  - Mathematical expositions -- 4
SN  - 9780486650678
U1  - 531 
PY  - 1970///
CY  - Toronto
PB  - University of Toronto Press
KW  - Mechanics, Analytic
KW  - Variational principles
N1  - Include refrence and subject index
ER  -