@article{ZNSL_2018_467_a9, author = {S. V. Kislyakov}, title = {A remark on indicator functions with gaps in the spectrum}, journal = {Zapiski Nauchnykh Seminarov POMI}, pages = {108--115}, publisher = {mathdoc}, volume = {467}, year = {2018}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/ZNSL_2018_467_a9/} }