TY  - BOOK
AU  - Vainberg, N. M.
AU  - Libin, A.
TI  - Variational methods and methods of monotone operators in theory of non-linear equations
U1  - 515.64 
PY  - 1973///
CY  - New York
PB  - John Wiley
N1  - "Translated by A. Libin"
ER  -