@article{MMO_2019_80_2_a3,
     author = {N. F. Valeev and Ya. T. Sultanaev and \'E. A. Nazirova},
     title = {Spectral properties of differential operators with oscillating coefficients},
     journal = {Trudy Moskovskogo matemati\v{c}eskogo ob\^{s}estva},
     pages = {179--195},
     publisher = {mathdoc},
     volume = {80},
     number = {2},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MMO_2019_80_2_a3/}
}