TY - JOUR AU - Maria Gorete Carreira Andrade AU - Amanda Buosi Gazon AU - Amanda Ferreira de Lima TI - On certain homological invariant and its relation with Poincaré duality pairs JO - Algebra and discrete mathematics PY - 2018 SP - 177 EP - 187 VL - 25 IS - 2 UR - http://geodesic.mathdoc.fr/item/ADM_2018_25_2_a1/ LA - en ID - ADM_2018_25_2_a1 ER -