@article{DAN_1997_354_2_a0,
     author = {R. I. Veitsman and V. S. Ryaben'kii},
     title = {Difference problems of screening and simulation},
     journal = {Doklady Akademii Nauk},
     pages = {151--154},
     publisher = {mathdoc},
     volume = {354},
     number = {2},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1997_354_2_a0/}
}