TY - JOUR AU - Dambrine, M. AU - Sokołowski, J. AU - Żochowski, A. TI - On stability analysis in shape optimization: critical shapes for Neumann poblem JO - Control and Cybernetics PY - 2003 SP - 503 EP - 528 VL - 32 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CC_2003_32_3_a5/ LA - en ID - CC_2003_32_3_a5 ER -