%0 Journal Article
%A Phan Trung Huy
%A Nguyen Huong Lam
%T Unavoidable set : extension and reduction
%J RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
%D 1999
%P 213-225
%V 33
%N 3
%I EDP-Sciences
%U http://www.numdam.org/item/ITA_1999__33_3_213_0/
%G en
%F ITA_1999__33_3_213_0