@article{DA_1990_30_a4,
     author = {G. G. Zabudskii},
     title = {On an integer formulation of a problem on the arrangement of objects on a line},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {35--45},
     year = {1990},
     number = {30},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_1990_30_a4/}
}