TY  - JOUR
AU  - Gliviak, Ferdinand
TI  - On radially extremal graphs and digraphs, a survey
JO  - Mathematica Bohemica
PY  - 2000
SP  - 215
EP  - 225
VL  - 125
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/MB.2000.125959/
DO  - 10.21136/MB.2000.125959
LA  - en
ID  - 10_21136_MB_2000_125959
ER  -