TY  - JOUR
AU  - V. G. Vizing
TI  - On the number of edges in a graph with a given radius
JO  - Doklady Akademii Nauk
PY  - 1967
SP  - 1245
EP  - 1246
VL  - 173
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1967_173_6_a2/
LA  - ru
ID  - DAN_1967_173_6_a2
ER  -