TY  - JOUR
AU  - Shao, Yanling
AU  - Gao, Yubin
TI  - Exponents of two-colored digraphs
JO  - Czechoslovak Mathematical Journal
PY  - 2009
SP  - 655
EP  - 685
VL  - 59
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMJ_2009__59_3_a8/
LA  - en
ID  - CMJ_2009__59_3_a8
ER  -