Precupanu, Teodor Characterizations of Hilbertian norms. (English) Zbl 0381.46007 Boll. Unione Mat. Ital., V. Ser., B 15, 161-169 (1978). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 2 Documents MSC: 46B03 Isomorphic theory (including renorming) of Banach spaces 46C99 Inner product spaces and their generalizations, Hilbert spaces PDFBibTeX XMLCite \textit{T. Precupanu}, Boll. Unione Mat. Ital., V. Ser., B 15, 161--169 (1978; Zbl 0381.46007)