@article{DA_1976_15_a5,
     author = {V. A. Perepelitsa and S. V. Sevast'yanov},
     title = {A scheduling problem on a network},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {48--67},
     year = {1976},
     number = {15},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_1976_15_a5/}
}