Baron Charles-Jean Étienne Gustave Nicolas de La Vallée Poussin (1866-1962)

  • de La Vallée Poussin, Ch. J., Collected Works, Volume 3 concerns approximation theory, Fourier Analysis and quasi-analytic functions.

  • Butzer, P. L., and R. J. Nessel, Aspects of de La Vallée Poussin's work in approximation and its influence, Archive Hist. Exact Sciences 46 (1993), 67-95. For those with access, this article may be viewed at SpringerLink.

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