@article{SM_1988_60_2_a0,
     author = {V. V. Vershinin},
     title = {On~the~decomposition of~certain spectra},
     journal = {Sbornik. Mathematics},
     pages = {283--290},
     publisher = {mathdoc},
     volume = {60},
     number = {2},
     year = {1988},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1988_60_2_a0/}
}