MathSciNet bibliographic data MR2021255 30E05 (30D55 46E15 46J15) Kortram, R. A. A new characterization of the unit ball of \$H\sp 2\$$H\sp 2$. Proc. Amer. Math. Soc. 132 (2004), no. 1, 127–133 (electronic). Article

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