TY  - JOUR
AU  - Jenner, Birgit
AU  - Kirsig, Bernd
TI  - Characterizing the polynomial hierarchy by alternating auxiliary pushdown automata
JO  - RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
PY  - 1989
SP  - 87
EP  - 99
VL  - 23
IS  - 1
PB  - EDP-Sciences
UR  - http://archive.numdam.org/item/ITA_1989__23_1_87_0/
LA  - en
ID  - ITA_1989__23_1_87_0
ER  -