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@article{SF_1993__47_2_135288, author = {N. Levan}, title = {A non-spectral representation of shift semigroups.}, journal = {Semigroup forum}, pages = {381--388}, publisher = {mathdoc}, volume = {47}, number = {2}, year = {1993}, zbl = {0801.47027}, url = {http://geodesic.mathdoc.fr/item/SF_1993__47_2_135288/} }
N. Levan. A non-spectral representation of shift semigroups.. Semigroup forum, Tome 47 (1993) no. 2, pp. 381-388. http://geodesic.mathdoc.fr/item/SF_1993__47_2_135288/