@article{SEMR_2011_8_a24,
     author = {A. N. Glebov and A. V. Gordeeva and D. Zh. Zambalayeva},
     title = {7/5-approximation algorithm for {2-PSP} on minimum with different weight functions},
     journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a},
     pages = {296--309},
     publisher = {mathdoc},
     volume = {8},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SEMR_2011_8_a24/}
}