TY  - JOUR
AU  - Zelinka, Bohdan
TI  - Every connected acyclic digraph of height 1 is neighbourhood-realizable
JO  - Archivum mathematicum
PY  - 1991
SP  - 133
EP  - 135
VL  - 27
IS  - 1-2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ARM_1991__27_1-2_a15/
LA  - en
ID  - ARM_1991__27_1-2_a15
ER  -