, the existence of perfect $\operatorname{U}$-sets with the $\operatorname{G}(p)$-conditions introduced by W. Wade in 1981 is proved and a method for constructing such sets is given.
@article{MZM_2004_75_3_a6,
author = {M. G. Plotnikov},
title = {Uniqueness {Questions} for {Some} {Classes} of {Haar} {Series}},
journal = {Matemati\v{c}eskie zametki},
pages = {392--404},
year = {2004},
volume = {75},
number = {3},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/MZM_2004_75_3_a6/}
}
M. G. Plotnikov. Uniqueness Questions for Some Classes of Haar Series. Matematičeskie zametki, Tome 75 (2004) no. 3, pp. 392-404. http://geodesic.mathdoc.fr/item/MZM_2004_75_3_a6/
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