The sum of closed $U$-sets for multiplicative orthonormal systems
Vestnik Moskovskogo universiteta. Matematika, mehanika, no. 6 (1985), pp. 93-96
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@article{VMUMM_1985_6_a16,
author = {N. A. Bokaev},
title = {The sum of closed $U$-sets for multiplicative orthonormal systems},
journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
pages = {93--96},
publisher = {mathdoc},
number = {6},
year = {1985},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/VMUMM_1985_6_a16/}
}
N. A. Bokaev. The sum of closed $U$-sets for multiplicative orthonormal systems. Vestnik Moskovskogo universiteta. Matematika, mehanika, no. 6 (1985), pp. 93-96. http://geodesic.mathdoc.fr/item/VMUMM_1985_6_a16/