TY - JOUR AU - Hakobyan, G.H. TI - Estimates of the higher order derivatives of the solutions of hypoelliptic equations. JO - Rendiconti del seminario matematico PY - 2003 SP - 443 EP - 459 VL - 61 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RSM_2003__61_4_129380/ LA - en ID - RSM_2003__61_4_129380 ER -