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@article{PDML_1982___4B_A14_0, author = {Pytlik, T.}, title = {Radial {Convolutors} on {Free} {Groups}}, journal = {Publications du D\'epartement de math\'ematiques (Lyon)}, pages = {1--1}, publisher = {Universit\'e Claude Bernard - Lyon 1}, number = {4B}, year = {1982}, zbl = {0572.43002}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PDML_1982___4B_A14_0/} }
Pytlik, T. Radial Convolutors on Free Groups. Publications du Département de mathématiques (Lyon), Journées d'analyse harmonique, no. 4B (1982), p. 1. http://geodesic.mathdoc.fr/item/PDML_1982___4B_A14_0/