@article{DAN_1997_353_5_a5,
     author = {V. B. Levenshtam},
     title = {Higher approximations of the averaging method for quasilinear},
     journal = {Doklady Akademii Nauk},
     pages = {599--601},
     year = {1997},
     volume = {353},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1997_353_5_a5/}
}