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Tartu University, Estonia. Translated from Prikladnaya Mekhanika, Vol. 29, No. 6, pp. 57–63, June, 1993.
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Hein, K.A., Lellep, Y.A. Optimization of rigid-plastic geometrically nonlinear round plates of piecewise constant thickness. Int Appl Mech 29, 462–468 (1993). https://doi.org/10.1007/BF00846909
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DOI: https://doi.org/10.1007/BF00846909