%0 Journal Article %A K. I. Beidar %A A. V. Mikhalev %T Orthogonal completeness and algebraic systems %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1985 %P 51-95 %V 40 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1985_40_6_a1/ %G en %F RM_1985_40_6_a1