TY - JOUR AU - Yu. L. Sachkov TI - Discrete symmetries in the generalized Dido problem JO - Sbornik. Mathematics PY - 2006 SP - 235 EP - 257 VL - 197 IS - 2 UR - http://geodesic.mathdoc.fr/item/SM_2006_197_2_a6/ LA - en ID - SM_2006_197_2_a6 ER -