%0 Journal Article
%A Eric van Douwen
%A Teodor Przymusiński
%T Separable extensions of first countable spaces
%J Fundamenta Mathematicae
%D 1979
%P 147-158
%V 105
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/fm-105-2-147-158/
%R 10.4064/fm-105-2-147-158
%G en
%F 10_4064_fm_105_2_147_158