%0 Journal Article
%A Kolarz, Michał
%T The code problem for directed figures
%J RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
%D 2010
%P 489-506
%V 44
%N 4
%I EDP-Sciences
%U http://www.numdam.org/articles/10.1051/ita/2011005/
%R 10.1051/ita/2011005
%G en
%F ITA_2010__44_4_489_0