@article{10_4064_cm_44_2_227_240,
     author = {R. Levy and M. D. Rice},
     title = {Normal {P-spaces} and the $G_\ensuremath{\delta} $-topology},
     journal = {Colloquium Mathematicum},
     pages = {227--240},
     publisher = {mathdoc},
     volume = {44},
     number = {2},
     year = {1981},
     doi = {10.4064/cm-44-2-227-240},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-44-2-227-240/}
}