TY  - BOOK
AU  - Rockafellar R Tyrrell
AU  - Wets Roger J-B
TI  - Variational analysis
SN  - 3-540-62772-3
U1  - 515.64 
PY  - 1998///
CY  - Berlin
PB  - Springer-Verlag
KW  - Calculus of variations
ER  -