@article{VMUMM_2000_5_a4,
     author = {A. Romashchenko},
     title = {Sequences of binary words with the conditional simplicity relation},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {19--22},
     publisher = {mathdoc},
     number = {5},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2000_5_a4/}
}