TY  - BOOK
AU  - Carl, Siegfried 
AU  - Le, Vy Khoi
AU  - Motreanu, Dumitru
TI  - Nonsmooth variational problems and their inequalities: comparison principles and applications 
T2  - Springer monographs in Mathematics
SN  - 0387306536
U1  - 519.91 
PY  - 2007///
CY  - New York
PB  - Springer Science+Business Media, Inc.
ER  -