%0 Journal Article %A S. M. Tashpulatov %T Exploration of spectrum of the energy operator of two-magnon system in the one-dimensional anisotropic Heisenberg ferromagnet with interaction of second neighbours %J Teoretičeskaâ i matematičeskaâ fizika %D 1996 %P 155-161 %V 107 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1996_107_1_a12/ %G ru %F TMF_1996_107_1_a12