TY  - JOUR
AU  - Komárek, Pavel
TI  - Some new good characterizations for directed graphs
JO  - Časopis pro pěstování matematiky
PY  - 1984
SP  - 348
EP  - 354
VL  - 109
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CPM.1984.118204/
DO  - 10.21136/CPM.1984.118204
LA  - en
ID  - 10_21136_CPM_1984_118204
ER  -