TY - JOUR AU - Biljana Vujošević TI - The Index of Product Systems of Hilbert Modules: Two Equivalent Definitions JO - Publications de l'Institut Mathématique PY - 2015 SP - 49 VL - _N_S_97 IS - 111 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.2298/PIM141114001V/ DO - 10.2298/PIM141114001V LA - en ID - 10_2298_PIM141114001V ER -