TY  - BOOK
AU  - Vujanovic,B.D.
AU  - Atanackovic,T.M.
TI  - Introduction to modern  variational techniques in mechanics and engineering
SN  - 9780817633998
U1  - 531.0151 V976I 
PY  - 2004///
CY  - New York
PB  - Birkhauser
KW  - Variational principle
KW  - Mechanics
ER  -