MathSciNet bibliographic data MR397684 54F60 Kellum, Kenneth R. An almost continuous function $f:$$f:$ $S\sp{n}\rightarrow S\sp{m}$$S\sp{n}\rightarrow S\sp{m}$ which commutes with the antipodal map. Proc. Amer. Math. Soc. 54 (1976), 431–432. Article

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