TY - JOUR AU - Matei, Ana-Maria TI - The effect of perturbations on the first eigenvalue of the $ \mathbf{p}$-Laplacian JO - Comptes Rendus. Mathématique PY - 2002 SP - 255 EP - 258 VL - 335 IS - 3 PB - Elsevier UR - http://www.numdam.org/articles/10.1016/S1631-073X(02)02464-0/ DO - 10.1016/S1631-073X(02)02464-0 LA - en ID - CRMATH_2002__335_3_255_0 ER -