@article{ADM_2018_25_2_a1, author = {Maria Gorete Carreira Andrade and Amanda Buosi Gazon and Amanda Ferreira de Lima}, title = {On certain homological invariant and its relation with {Poincar\'e} duality pairs}, journal = {Algebra and discrete mathematics}, pages = {177--187}, year = {2018}, volume = {25}, number = {2}, language = {en}, url = {http://geodesic.mathdoc.fr/item/ADM_2018_25_2_a1/} }