@article{SM_2018_209_5_a2,
     author = {M. S. Lobanov and V. V. Ryzhikov},
     title = {Special weak limits and simple spectrum of the
},
     journal = {Sbornik. Mathematics},
     pages = {660--671},
     publisher = {mathdoc},
     volume = {209},
     number = {5},
     year = {2018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2018_209_5_a2/}
}