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Communicated by J. Serrin
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Caffarelli, L.A., Riviere, N.M. The Lipschitz character of the stress tensor, when twisting an elastic plastic bar. Arch. Rational Mech. Anal. 69, 31–36 (1979). https://doi.org/10.1007/BF00248408
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DOI: https://doi.org/10.1007/BF00248408