TY - JOUR AU - Bedratyuk, Leonid TI - Weitzenböck Derivations and Classical Invariant Theory: I. Poincaré Series JO - Serdica Mathematical Journal PY - 2010 SP - 99 EP - 120 VL - 35 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SMJ2_2010_35_2_a0/ LA - en ID - SMJ2_2010_35_2_a0 ER -