@article{FAA_1986_20_2_a0,
     author = {V. I. Bakhtin},
     title = {Averaging in multifrequency systems},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {1--7},
     publisher = {mathdoc},
     volume = {20},
     number = {2},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1986_20_2_a0/}
}