%0 Journal Article
%A Parchmann, R.
%A Duske, J.
%T The structure of index sets and reduced indexed grammars
%J RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
%D 1990
%P 89-104
%V 24
%N 1
%I EDP-Sciences
%U http://www.numdam.org/item/ITA_1990__24_1_89_0/
%G en
%F ITA_1990__24_1_89_0