@article{DA_2014_21_6_a1,
     author = {A. N. Glebov and D. Zh. Zambalaeva and A. A. Skretneva},
     title = {$2/3$-approximation algorithm for the maximization version of the asymmetric two peripatetic salesman problem},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {11--20},
     publisher = {mathdoc},
     volume = {21},
     number = {6},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_2014_21_6_a1/}
}