TY  - DATA
AU  - Nussbaum, Roger D.
AU  - Verduyn Lunel, S. M.
TI  - Generalizations of the Perron-Frobenius theorem for nonlinear maps 
T2  - Memoirs of the American Mathematical Society, 
SN  - 9781470402488 (online)
PY  - 1999///
CY  - Providence, R.I.
PB  - American Mathematical Society
UR  - http://www.ams.org/memo/0659
ER  -