TY - JOUR AU - M. Sango TI - Behaviour of the first eigenvalue of the $p$-Laplacian in a domain with a hole JO - Colloquium Mathematicum PY - 2001 SP - 103 EP - 111 VL - 87 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm87-1-6/ DO - 10.4064/cm87-1-6 LA - en ID - 10_4064_cm87_1_6 ER -