%0 Journal Article %A A. G. Bytsko %T Non-Hermitian spin chains with inhomogeneous coupling %J Algebra i analiz %D 2010 %P 80-106 %V 22 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_2010_22_3_a4/ %G ru %F AA_2010_22_3_a4