@article{700652,
     title = {On closed graph theorems},
     booktitle = {General topology and its relations to modern analysis and algebra IV},
     series = {GDML\_Books},
     publisher = {Society of Czechoslovak Mathematicians and Physicist},
     address = {Praha},
     year = {1977},
     pages = {[517]-520},
     mrnumber = {MR0551660},
     zbl = {0372.54007},
     url = {http://dml.mathdoc.fr/item/700652}
}

Wilhelm, M. On closed graph theorems, dans General topology and its relations to modern analysis and algebra IV, GDML_Books,  (1977), pp. [517]-520. http://gdmltest.u-ga.fr/item/700652/