%0 Journal Article %A Lyubov Balyas %A Pavel Varbanets %T Quadratic residues of the norm group in~sectorial domains %J Algebra and discrete mathematics %D 2016 %P 153-170 %V 22 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/ADM_2016_22_2_a0/ %G en %F ADM_2016_22_2_a0