TY  - JOUR
AU  - Nesetril, Jaroslav
AU  - Tardif, Claude
TI  - On maximal finite antichains in the homomorphism order of directed graphs
JO  - Discussiones Mathematicae. Graph Theory
PY  - 2003
SP  - 325
EP  - 332
VL  - 23
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DMGT_2003_23_2_a8/
LA  - en
ID  - DMGT_2003_23_2_a8
ER  -