@article{DAN_1997_353_1_a4,
     author = {A. A. Martynyuk},
     title = {On an application of limit equations},
     journal = {Doklady Akademii Nauk},
     pages = {20--22},
     year = {1997},
     volume = {353},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1997_353_1_a4/}
}