S. Ya. Grinshpon, S. L. Fukson, “Orthogonalities in the multiplicative group $\mathbb{Q}_+$”, Vestn. Tomsk. Gos. Univ. Mat. Mekh., 2015, no. 6(38), 18–26
2.
S. L. Fukson, “Orthogonalities in $\mathbb{Z}_p\oplus\mathbb{Z}_p$”, Vestn. Tomsk. Gos. Univ. Mat. Mekh., 2015, no. 4(36), 46–54
Contact us: