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- Bull. Amer. Math. Soc. 45 (1939), 655-659
References
Additional Information
- Journal: Bull. Amer. Math. Soc. 45 (1939), 655-659
- DOI: https://doi.org/10.1090/S0002-9904-1939-07055-9
- MathSciNet review: 1564044