@article{GFA_1995__5_4_58182,
     author = {E. Flytzanis},
     title = {Unimodular {Eigenvalues} and {Linear} {Chaos} in {Hilbert} {Spaces.}},
     journal = {Geometric and functional analysis},
     pages = {1--13},
     publisher = {mathdoc},
     volume = {5},
     number = {4},
     year = {1995},
     zbl = {0827.46043},
     url = {http://geodesic.mathdoc.fr/item/GFA_1995__5_4_58182/}
}