@article{VTGU_2015_6_a1, author = {S. Ya. Grinshpon and S. L. Fukson}, title = {Orthogonalities in the multiplicative group~$\mathbb{Q}_+$}, journal = {Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika}, pages = {18--26}, publisher = {mathdoc}, number = {6}, year = {2015}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/VTGU_2015_6_a1/} }