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@article{IM_1972__17_142164, author = {A. Hulanicki}, title = {On the {Spectrum} of {Convolution} {Operators} on {Groups} with {Polynomial} {Growth.}}, journal = {Inventiones mathematicae}, pages = {135--142}, publisher = {mathdoc}, volume = {17}, year = {1972}, zbl = {0264.43007}, url = {http://geodesic.mathdoc.fr/item/IM_1972__17_142164/} }
A. Hulanicki. On the Spectrum of Convolution Operators on Groups with Polynomial Growth.. Inventiones mathematicae, Tome 17 (1972), pp. 135-142. http://geodesic.mathdoc.fr/item/IM_1972__17_142164/