TY  - JOUR
AU  - A. I. Erzin
AU  - R. V. Plotnikov
AU  - Yu. V. Shamardin
TI  - Some polynomially solvable cases and approximation algorithms for optimal communication tree construction problem
JO  - Diskretnyj analiz i issledovanie operacij
PY  - 2013
SP  - 12
EP  - 27
VL  - 20
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DA_2013_20_1_a1/
LA  - ru
ID  - DA_2013_20_1_a1
ER  -