TY  - JOUR
AU  - Geffert, V.
TI  - Sublogarithmic $\sum _2$-space is not closed under complement and other separation results
JO  - RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
PY  - 1993
SP  - 349
EP  - 366
VL  - 27
IS  - 4
PB  - EDP-Sciences
UR  - http://www.numdam.org/item/ITA_1993__27_4_349_0/
LA  - en
ID  - ITA_1993__27_4_349_0
ER  -