TY  - JOUR
AU  - V. V. Shenmaier
TI  - An approximation algorithm for the hierarchical median problem
JO  - Diskretnyj analiz i issledovanie operacij
PY  - 2008
SP  - 84
EP  - 91
VL  - 15
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DA_2008_15_4_a6/
LA  - ru
ID  - DA_2008_15_4_a6
ER  -