@article{SM_1979_35_4_a2,
     author = {S. M. Kozlov},
     title = {Averaging differential operators with almost periodic, rapidly oscillating coefficients},
     journal = {Sbornik. Mathematics},
     pages = {481--498},
     year = {1979},
     volume = {35},
     number = {4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1979_35_4_a2/}
}