@article{DA_1999_6_4_a5,
     author = {A. \`E. Frid},
     title = {On graphs of subwords of {DOL-sequences}},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {92--103},
     publisher = {mathdoc},
     volume = {6},
     number = {4},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_1999_6_4_a5/}
}