@article{RM_2019_74_5_a8,
     author = {B. S. Kashin and I. V. Limonova},
     title = {Selecting a~dense weakly lacunary subsystem in a~bounded orthonormal system},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {956--958},
     publisher = {mathdoc},
     volume = {74},
     number = {5},
     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2019_74_5_a8/}
}