%0 Journal Article
%A Jenner, Birgit
%A Kirsig, Bernd
%T Characterizing the polynomial hierarchy by alternating auxiliary pushdown automata
%J RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
%D 1989
%P 87-99
%V 23
%N 1
%I EDP-Sciences
%U http://archive.numdam.org/item/ITA_1989__23_1_87_0/
%G en
%F ITA_1989__23_1_87_0