TY  - GEN
AU  - Borwein,Jonathan M.
AU  - Zhu,Qiji
TI  - Techniques of variational analysis
T2  - Cms books in mathematics
SN  - 0387242988
U1  - 515.64 
PY  - 2005///
CY  - [S.l.]
PB  - Springer
ER  -