TY - JOUR AU - Hammerl, Matthias TI - Invariant prolongation of BGG-operators in conformal geometry JO - Archivum mathematicum PY - 2008 SP - 367 EP - 384 VL - 44 IS - 5 UR - http://geodesic.mathdoc.fr/item/ARM_2008_44_5_a3/ LA - en ID - ARM_2008_44_5_a3 ER -