Hoffmann, Rudolf-E. (1979), On weak Hausdorff spaces, Archiv der Mathematik, 32 (5): 487—504, doi:10.1007/BF01238530, MR0547371.
McCord, M. C. (1969), Classifying spaces and infinite symmetric products, Transactions of the American Mathematical Society, 146: 273—298, doi:10.2307/1995173, JSTOR1995173, MR0251719.
doi.org
Hoffmann, Rudolf-E. (1979), On weak Hausdorff spaces, Archiv der Mathematik, 32 (5): 487—504, doi:10.1007/BF01238530, MR0547371.
McCord, M. C. (1969), Classifying spaces and infinite symmetric products, Transactions of the American Mathematical Society, 146: 273—298, doi:10.2307/1995173, JSTOR1995173, MR0251719.
jstor.org
McCord, M. C. (1969), Classifying spaces and infinite symmetric products, Transactions of the American Mathematical Society, 146: 273—298, doi:10.2307/1995173, JSTOR1995173, MR0251719.