%0 Journal Article %A V. P. Kondakov %T Characterization of complemented subspaces in Cartesian products of structurally incomparable K\"othe spaces in the Dragilev classes $(f)_0$ and $(f)_1$ %J Vladikavkazskij matematičeskij žurnal %D 2004 %P 17-20 %V 6 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMJ_2004_6_2_a2/ %G ru %F VMJ_2004_6_2_a2