@article{DA_2012_19_1_a1,
     author = {E. Kh. Gimadi and E. V. Ivonina},
     title = {Approximation algorithms for maximum-weight problem of two-peripatetic salesmen},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {17--32},
     publisher = {mathdoc},
     volume = {19},
     number = {1},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_2012_19_1_a1/}
}