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Askri, K.; Le Van, C. Differentiability of the value function of nonclassical optimal growth models. (English) Zbl 0908.90040 J. Optimization Theory Appl. 97, No. 3, 591-604 (1998). MSC: 91B62 49J52 PDFBibTeX XMLCite \textit{K. Askri} and \textit{C. Le Van}, J. Optim. Theory Appl. 97, No. 3, 591--604 (1998; Zbl 0908.90040) Full Text: DOI