
doi: 10.1007/bf02355907
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embedding ultrametric spaces in Hilbert spaces, automorphisms, Hilbert and pre-Hilbert spaces: geometry and topology (including spaces with semidefinite inner product), Metric spaces, metrizability, totally infinite spaces, isometric embedding
embedding ultrametric spaces in Hilbert spaces, automorphisms, Hilbert and pre-Hilbert spaces: geometry and topology (including spaces with semidefinite inner product), Metric spaces, metrizability, totally infinite spaces, isometric embedding
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