@article{RM_2001_56_3_a15,
     author = {A. A. Zamyatin and A. A. Yambartsev},
     title = {Classification of two interacting strings of symbols},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {597--598},
     publisher = {mathdoc},
     volume = {56},
     number = {3},
     year = {2001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2001_56_3_a15/}
}