%0 Journal Article
%A Osba, Emad Abu
%A Henriksen, Melvin
%T Essential $P$-spaces: a generalization of door spaces
%J Commentationes Mathematicae Universitatis Carolinae
%D 2004
%P 509-518
%V 45
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMUC_2004__45_3_a11/
%G en
%F CMUC_2004__45_3_a11