TY - JOUR AU - Graczykowski, Cezary AU - LewiƄski, Tomasz TI - The lightest plane structures of a bounded stress level transmitting a point load to a circular support JO - Control and Cybernetics PY - 2005 SP - 227 EP - 253 VL - 34 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CC_2005_34_1_a11/ LA - en ID - CC_2005_34_1_a11 ER -