TY  - BOOK
AU  - Weinstock,Robert
TI  - Calculus of variations: with applications to physics and engineering 
SN  - 0486630692 :
U1  - 517.4 
PY  - 1952///
CY  - New York
PB  - McGraw-Hill
KW  - Calculus of variations
N1  - Includes bibliographical references and index
ER  -