TY  - GEN
AU  - Wells  D.A
TI  - Schaum's outline of lagrangian Dynamics: Euler's equations of motion Mamilton's equations and hamilton's principles v   42v   44: 1st
U1  - 531.11WEL 
PY  - 1967///
CY  - NY
PB  - McGraw-Hill
ER  -