@article{BMMS_2005_28_1_a10,
     author = {Nandini Bandyopadhyay and P. Bhattacharyya},
     title = {Functions with {Preclosed} {Graphs}},
     journal = {Bulletin of the Malaysian Mathematical Society},
     year = {2005},
     volume = {28},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/BMMS_2005_28_1_a10/}
}