%0 Journal Article
%A Geffert, V.
%T Sublogarithmic $\sum _2$-space is not closed under complement and other separation results
%J RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
%D 1993
%P 349-366
%V 27
%N 4
%I EDP-Sciences
%U http://www.numdam.org/item/ITA_1993__27_4_349_0/
%G en
%F ITA_1993__27_4_349_0