Geodesic
Almost δ-precontinuous Multifunctions
Bulletin of the Malaysian Mathematical Society, Tome 28 (2005) no. 1 
E. Ekici. Almost δ-precontinuous Multifunctions. Bulletin of the Malaysian Mathematical Society, Tome 28 (2005) no. 1. http://geodesic.mathdoc.fr/item/BMMS_2005_28_1_a3/
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     author = {E. Ekici},
     title = {Almost \ensuremath{\delta}-precontinuous {Multifunctions}},
     journal = {Bulletin of the Malaysian Mathematical Society},
     year = {2005},
     volume = {28},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/BMMS_2005_28_1_a3/}
}
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Voir la notice de l'article provenant de la source BMMS

In 2001, El-Monsef and Nasef have introduced γ -continuous multifunctions and in 2004, Park, Lee and Son have studied δ-precontinuous multifunctions. The purpose of this paper is to generalize some types of continuous multifunctions. In this paper, the notion of almost δ -precontinuous multifunctions is studied. Basic properties, characterizations and relationships of almost δ -precontinuous multifunctions are obtained.