@article{SM_1990_67_2_a1,
     author = {R. S. Ismagilov},
     title = {The spectrum of dynamical systems and the {Riesz} products},
     journal = {Sbornik. Mathematics},
     pages = {341--366},
     year = {1990},
     volume = {67},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1990_67_2_a1/}
}