%0 Journal Article %A V. A. Koibaev %T On the structure of elementary nets over quadratic fields %J Vladikavkazskij matematičeskij žurnal %D 2020 %P 87-91 %V 22 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMJ_2020_22_4_a6/ %G ru %F VMJ_2020_22_4_a6