%0 Journal Article %A P. N. Bibikov %A P. P. Kulish %T Three-magnon problem and integrability of rung-dimerized spin ladders %J Zapiski Nauchnykh Seminarov POMI %D 2010 %P 44-57 %V 374 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2010_374_a2/ %G ru %F ZNSL_2010_374_a2