TY  - JOUR
AU  - Zelinka, Bohdan
TI  - On a problem concerning stratified graphs
JO  - Czechoslovak Mathematical Journal
PY  - 2000
SP  - 47
EP  - 49
VL  - 50
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMJ_2000__50_1_a5/
LA  - en
ID  - CMJ_2000__50_1_a5
ER  -