Coron, Jean-Michel; Haraux, Alain Introduction: On Enrique. (English) Zbl 1481.01014 ESAIM, Control Optim. Calc. Var. 27, Paper No. E3, 9 p. (2021). MSC: 01A70 PDFBibTeX XMLCite \textit{J.-M. Coron} and \textit{A. Haraux}, ESAIM, Control Optim. Calc. Var. 27, Paper No. E3, 9 p. (2021; Zbl 1481.01014) Full Text: DOI
Haraux, Alain; Liard, Thibault; Privat, Yannick How to estimate observability constants of one-dimensional wave equations? Propagation versus spectral methods. (English) Zbl 1377.35185 J. Evol. Equ. 16, No. 4, 825-856 (2016). Reviewer: Vyacheslav I. Maksimov (Ekaterinburg) MSC: 35L05 93B07 35Q93 35B35 PDFBibTeX XMLCite \textit{A. Haraux} et al., J. Evol. Equ. 16, No. 4, 825--856 (2016; Zbl 1377.35185) Full Text: DOI HAL