TY  - BOOK
AU  - Vainberg M M
TI  - Variational mehtods for the study of non-linear operatores
T2  - Holden-day Series in Mathematical Physico ed by Julius J Brandstatter
U1  - B42, K4 
PY  - 1964///
CY  - London
PB  - Holden-day inc         
KW  - Special Functions
ER  -