@article{MM2_1977__23_154517,
     author = {Manuel Valdivia},
     title = {On the {Closed} {Graph} {Theorem} in {Topological} {Spaces.}},
     journal = {Manuscripta mathematica},
     pages = {173--184},
     publisher = {mathdoc},
     volume = {23},
     year = {1977},
     zbl = {0367.46005},
     url = {http://geodesic.mathdoc.fr/item/MM2_1977__23_154517/}
}