TY  - BOOK
AU  - Berger,M & Berger,M
ED  - Berger, M
TI  - Perspectives in nonlinearity: introduction to nonlinear analysis
T2  - Mathematics lecture note series
U1  - 6.01 
PY  - 1968///
CY  - New York
PB  - W.A. Benjamin Inc.
ER  -