@article{DM_2010_22_4_a6,
     author = {N. G. Parvatov},
     title = {The expressibility problem in a~lattice with closure operation},
     journal = {Diskretnaya Matematika},
     pages = {83--103},
     publisher = {mathdoc},
     volume = {22},
     number = {4},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_2010_22_4_a6/}
}