@article{GDZPPN002489260,
title = {Unimodular Eigenvalues and Invariant Measures for Linear Operators.},
journal = {Monatshefte f\"ur Mathematik},
volume = {119},
year = {1995},
pages = {267-274},
zbl = {0834.47025},
url = {http://dml.mathdoc.fr/item/GDZPPN002489260}
}
Flytzanis, Elias. Unimodular Eigenvalues and Invariant Measures for Linear Operators.. Monatshefte für Mathematik, Tome 119 (1995) pp. 267-274. http://gdmltest.u-ga.fr/item/GDZPPN002489260/