TY  - BOOK
AU  - Fucik, Svatopluk., [et al]
TI  - Spectral analysis of nonlinear operators
T2  - Lecture Notes in Mathematics 346
SN  - 3540064842
U1  - 515.72 
PY  - 1973///
CY  - Berlin
PB  - Springer-Verlag
ER  -