%0 Journal Article
%A Engelfriet, Joost
%A Leih, George
%T Complexity of boundary graph languages
%J RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
%D 1990
%P 267-274
%V 24
%N 3
%I EDP-Sciences
%U http://www.numdam.org/item/ITA_1990__24_3_267_0/
%G en
%F ITA_1990__24_3_267_0