TY  - JOUR
AU  - A. A. Ageev
AU  - A. V. Pyatkin
TI  - A 2-approximation algorithm for the metric 2-peripatetic salesman problem
JO  - Diskretnyj analiz i issledovanie operacij
PY  - 2009
SP  - 3
EP  - 20
VL  - 16
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DA_2009_16_4_a0/
LA  - ru
ID  - DA_2009_16_4_a0
ER  -