TY - JOUR AU - Rozenblum, Grigori TI - On some analytical index formulas related to operator-valued symbols JO - Electronic Journal of Differential Equations PY - 2002 VL - 2002 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EJDE_2002__2002__a161/ LA - en ID - EJDE_2002__2002__a161 ER -