@article{ZNSL_1998_248_a9,
     author = {K. V. Shakhbazyan and Yu. G. Shoukouryan},
     title = {On process languages in finite graphs},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {205--215},
     publisher = {mathdoc},
     volume = {248},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1998_248_a9/}
}