@article{MAN_1977__226_162954,
     author = {W.W. Comfort and G.L. Itzkowitz},
     title = {Density {Character} in {Topological} {Groups.}},
     journal = {Mathematische Annalen},
     pages = {223--228},
     publisher = {mathdoc},
     volume = {226},
     year = {1977},
     zbl = {0328.22010},
     url = {http://geodesic.mathdoc.fr/item/MAN_1977__226_162954/}
}