TY  - DATA
AU  - Jonathan Borwein, Qiji Zhu
TI  - Techniques of Variational Analysis
SN  - 9780387282718
PY  - 2005///
PB  - Springer New York
KW  - Mathematics and Statistics
UR  - https://doi.org/10.1007/0-387-28271-8
ER  -