TY  - BOOK
AU  - Berger,Melvyn S.
AU  - Berger,Marion
TI  - Perspectives in nonlinearity: an introduction to nonlinear analysis 
U1  - 517 
PY  - 1968///
CY  - New York
PB  - W. A. Benjamin
KW  - Mathematical analysis
KW  - Nonlinear theories
N1  - Includes bibliographical references and index
ER  -