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    AUTHOR = {Sharp, Jr., Henry},
     TITLE = {Denseness and completeness in certain function spaces},
   JOURNAL = {Amer. Math. Monthly},
  FJOURNAL = {American Mathematical Monthly},
    VOLUME = {74},
      YEAR = {1967},
     PAGES = {266--271},
      ISSN = {0002-9890,1930-0972},
   MRCLASS = {54.28},
  MRNUMBER = {208576},
MRREVIEWER = {E.\ Nunnally},
       DOI = {10.2307/2316018},
       URL = {https://doi.org/10.2307/2316018},
}

@article {MR0301711,
    AUTHOR = {Bennett, Ralph},
     TITLE = {Countable dense homogeneous spaces},
   JOURNAL = {Fund. Math.},
  FJOURNAL = {Polska Akademia Nauk. Fundamenta Mathematicae},
    VOLUME = {74},
      YEAR = {1972},
    NUMBER = {3},
     PAGES = {189--194},
      ISSN = {0016-2736,1730-6329},
   MRCLASS = {54F15 (54D05)},
  MRNUMBER = {301711},
MRREVIEWER = {C.\ E.\ Burgess},
       DOI = {10.4064/fm-74-3-189-194},
       URL = {https://doi.org/10.4064/fm-74-3-189-194},
}


@article {MR0040648,
    AUTHOR = {Hahn, S. W.},
     TITLE = {Universal spaces under strong homeomorphisms},
   JOURNAL = {Trans. Amer. Math. Soc.},
  FJOURNAL = {Transactions of the American Mathematical Society},
    VOLUME = {70},
      YEAR = {1951},
     PAGES = {301--311},
      ISSN = {0002-9947,1088-6850},
   MRCLASS = {56.0X},
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MRREVIEWER = {D.\ W.\ Hall},
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       URL = {https://doi.org/10.2307/1990372},
}


@article {MR0273347,
    AUTHOR = {Bessaga, C. and Pe\l czy\'{n}ski, A.},
     TITLE = {The estimated extension theorem, homogeneous collections and
              skeletons, and their applications to the topological
              classification of linear metric spaces and convex sets},
   JOURNAL = {Fund. Math.},
  FJOURNAL = {Polska Akademia Nauk. Fundamenta Mathematicae},
    VOLUME = {69},
      YEAR = {1970},
     PAGES = {153--190},
      ISSN = {0016-2736,1730-6329},
   MRCLASS = {46.01},
  MRNUMBER = {273347},
MRREVIEWER = {Richard\ A.\ Al\`o},
       DOI = {10.4064/fm-69-2-153-190},
       URL = {https://doi.org/10.4064/fm-69-2-153-190},
}



@article {MR0071000,
    AUTHOR = {Sharp, Jr., Henry},
     TITLE = {Strongly topological imbedding of {$F_\sigma$}-subsets of
              {$E\sb n$}},
   JOURNAL = {Amer. J. Math.},
  FJOURNAL = {American Journal of Mathematics},
    VOLUME = {75},
      YEAR = {1953},
     PAGES = {557--564},
      ISSN = {0002-9327,1080-6377},
   MRCLASS = {56.0X},
  MRNUMBER = {71000},
MRREVIEWER = {E.\ E.\ Moise},
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       URL = {https://doi.org/10.2307/2372504},
}


@article {MR1501637,
    AUTHOR = {Roberts, J. H.},
     TITLE = {Concerning topological transformations in {$E_n$}},
   JOURNAL = {Trans. Amer. Math. Soc.},
  FJOURNAL = {Transactions of the American Mathematical Society},
    VOLUME = {34},
      YEAR = {1932},
    NUMBER = {2},
     PAGES = {252--262},
      ISSN = {0002-9947,1088-6850},
   MRCLASS = {54H15},
  MRNUMBER = {1501637},
       DOI = {10.2307/1989541},
       URL = {https://doi.org/10.2307/1989541},
}