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@article{PORMA_1983__42_4_115552, author = {Alas, Ofelia T.}, title = {A note on functions with a closed graph}, journal = {Portugaliae mathematica}, pages = {351--354}, publisher = {mathdoc}, volume = {42}, number = {4}, year = {1983}, mrnumber = {0836115}, zbl = {0593.54014}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1983__42_4_115552/} }
Alas, Ofelia T. A note on functions with a closed graph. Portugaliae mathematica, Tome 42 (1983) no. 4, pp. 351-354. http://geodesic.mathdoc.fr/item/PORMA_1983__42_4_115552/