List of citations in Numdam for : Extremal domains for the first eigenvalue of the Laplace-Beltrami operator

Annales de l'Institut Fourier, Volume 59 (2009) no. 2, pp. 515-542.

ESAIM: Control, Optimisation and Calculus of Variations, Volume 23 (2017) no. 2, pp. 685-720.