TY  - BOOK
AU  - Chang Kung Ching
AU  -  Zhang Tan Tr.
TI  - Lecture notes on calculus of variations (Series in Mathematics- Vol. 6)
U1  - B42, Q7.6 
PY  - 2017///
CY  - Chennai
PB  - World Scietific         
KW  - Mathematics
ER  -