TY  - JOUR
AU  - Nebeský, Ladislav
TI  - On signpost systems and connected graphs
JO  - Czechoslovak Mathematical Journal
PY  - 2005
SP  - 283
EP  - 293
VL  - 55
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMJ_2005__55_2_a1/
LA  - en
ID  - CMJ_2005__55_2_a1
ER  -