@article{SM_2012_203_3_a0,
     author = {V. S. Belonosov},
     title = {The spectral properties of distributions and asymptotic methods in perturbation theory},
     journal = {Sbornik. Mathematics},
     pages = {307--325},
     publisher = {mathdoc},
     volume = {203},
     number = {3},
     year = {2012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2012_203_3_a0/}
}