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Nuclear Physics B
In the framework of factorizing S-matrices in If 1 dimensions, further restrictions for the construction of S-matrices are discussed. A relation between residues of Smatrix poles and the parities of corresponding bound states is derived. ' For reviews see ref. [lb] and references therein.doi:10.1016/0550-3213(79)90600-x fatcat:2ghqqpg7kfbwjb6zccuq65oiz4