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https://riesz.net/ riesz.net https://aspace.lib.uiowa.edu/repositories/4/resources/2945 Collection: Elizabeth D. Riesz papers | ArchivesSpace at the University of Iowa the university collection elizabeth papers https://dspace.isical.ac.in/items/a5b76051-a973-4853-826e-65d7b5880daf On the theorem of F Riesz concerning the form of linear functional on the theorem f concerning linear