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In Memory-R. E, Fullerton 1916–1963
This paper was written while the author was a Temporary Member of the Courant Institute of Mathematical Sciences, New York University. This temporary membership is supported by the National Science Foundation, under grant number NSF-GP-1669.
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Donoghue, W.F. The interpolation of quadratic norms. Acta Math. 118, 251–270 (1967). https://doi.org/10.1007/BF02392483
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DOI: https://doi.org/10.1007/BF02392483