The effect of perturbations on the first eigenvalue of the $𝐩$-Laplacian

Ana-Maria Matei

Comptes Rendus. Mathématique, Volume 335 (2002) p. 255-258

The Neumann problem for free boundaries in two dimensions

Ana-Maria Matei

Comptes Rendus. Mathématique, Volume 335 (2002) p. 597-602