@article{TAC_2019_34_a2,
     author = {Matias Data and Juliana Osorio},
     title = {On the relative projective space},
     journal = {Theory and applications of categories},
     pages = {58--79},
     publisher = {mathdoc},
     volume = {34},
     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAC_2019_34_a2/}
}