%0 Journal Article %A T. P. Lukashenko %T Properties of expansion systems similar to orthogonal ones %J Izvestiya. Mathematics %D 1998 %P 1035-1054 %V 62 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1998_62_5_a7/ %G en %F IM2_1998_62_5_a7