@article{DA_1978_17_a8,
     author = {A. I. Serdyukov},
     title = {The traveling salesman problem in the presence of exclusions},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {80--86},
     publisher = {mathdoc},
     number = {17},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_1978_17_a8/}
}