%0 Journal Article %A T. P. Lukashenko %T Coefficients with respect to orthogonal-like decomposition systems %J Sbornik. Mathematics %D 1997 %P 1783-1798 %V 188 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1997_188_12_a3/ %G en %F SM_1997_188_12_a3