%0 Journal Article %T Exact solution of the deformed biquadratic spin 1 hamiltonian %A R. Koberle %A A. Lima - Santos %J Physics %D 1993 %I arXiv %R 10.1088/0305-4470/27/16/009 %X Remarks about highest weight states of the underlying quantum group are corrected. %U http://arxiv.org/abs/hep-th/9302140v2