TY - JOUR AU - Neusser, Katharina TI - Universal prolongation of linear partial differential equations on filtered manifolds JO - Archivum mathematicum PY - 2009 SP - 289 EP - 300 VL - 45 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ARM_2009__45_4_a5/ LA - en ID - ARM_2009__45_4_a5 ER -