Dual representations and ultraviolet divergences in nonlinear σ-models von Fridling, B.E., Jevicki, A.

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Nonlinear σ-models as S-matrix generating functionals of strings von Fridling, B.E., Jevicki, A.

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Renormalization of generalized two-dimensional nonlinear σ models von Fridling, B.E., Van De Ven, A.E.M.

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