@article{DA_2003_10_4_a3,
     author = {Yu. V. Merekin},
     title = {On the generation of words using the composition operation},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {70--78},
     publisher = {mathdoc},
     volume = {10},
     number = {4},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_2003_10_4_a3/}
}