@article{CMUC_1992__33_1_a16,
     author = {Castellini, Gabriele and Giuli, Eraldo},
     title = {Hereditarity of closure operators and injectivity},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {149--157},
     publisher = {mathdoc},
     volume = {33},
     number = {1},
     year = {1992},
     mrnumber = {1173756},
     zbl = {0758.18002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1992__33_1_a16/}
}