%0 Journal Article
%A Wood, Derick
%T Bicolored digraph grammar systems
%J ESAIM: Mathematical Modelling and Numerical Analysis 
%D 1973
%P 45-52
%V 7
%N R1
%I Dunod
%C Paris
%U http://geodesic.mathdoc.fr/item/M2AN_1973__7_1_45_0/
%G en
%F M2AN_1973__7_1_45_0