TY  - JOUR
AU  - Hell, Pavol
AU  - Nešetřil, Jaroslav
TI  - Universality of directed graphs of a given height
JO  - Archivum mathematicum
PY  - 1989
SP  - 47
EP  - 54
VL  - 25
IS  - 1-2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ARM_1989__25_1-2_a6/
LA  - en
ID  - ARM_1989__25_1-2_a6
ER  -