@article{01046351, title = {On maps: Continuous, closed, perfect, and with closed graph.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {20}, year = {1997}, pages = {405-407}, doi = {10.1155/S0161171297000537}, zbl = {0889.54007}, language = {en}, url = {http://dml.mathdoc.fr/item/01046351} }
Garg, G.L.; Goel, Asha. On maps: Continuous, closed, perfect, and with closed graph.. International Journal of Mathematics and Mathematical Sciences, Tome 20 (1997) pp. 405-407. doi : 10.1155/S0161171297000537. http://gdmltest.u-ga.fr/item/01046351/