TY  - BOOK
AU  - Wells,Dare A.
TI  - Theory and problems of Lagrangian dynamics: with a treatment of Euler's equations of motion, Hamilton's equations and Hamilton's principle 
SN  - 07-069258-0
AV  - QA845 W453
PY  - 1967///
CY  - San Francisco, Calif.
PB  - McGraw-Hill
ER  -