%0 Journal Article %A Caldas, Miguel %A Navalagi, Govindappa %T On weak forms of preopen and preclosed functions %J Archivum mathematicum %D 2004 %P 119-128 %V 40 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/ARM_2004__40_2_a1/ %G en %F ARM_2004__40_2_a1