@article{ZNSL_1992_202_a7,
     author = {K. V. Shakhbazyan and N. B. Lebedinskaya},
     title = {Lattices of processes for graphs},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {135--153},
     publisher = {mathdoc},
     volume = {202},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1992_202_a7/}
}