Geodesic
On Contra-Precontinuous Functions
Bulletin of the Malaysian Mathematical Society, Tome 25 (2002) no. 2 
Saeid Jafari; Takashi Noiri. On Contra-Precontinuous Functions. Bulletin of the Malaysian Mathematical Society, Tome 25 (2002) no. 2. http://geodesic.mathdoc.fr/item/BMMS_2002_25_2_a2/
@article{BMMS_2002_25_2_a2,
     author = {Saeid Jafari and Takashi Noiri},
     title = {On {Contra-Precontinuous} {Functions}},
     journal = {Bulletin of the Malaysian Mathematical Society},
     year = {2002},
     volume = {25},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/BMMS_2002_25_2_a2/}
}
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Voir la notice de l'article provenant de la source BMMS

The notion of contra-continuity was introduced and investigated by Dontchev [3]. In this paper, we introduce and investigate a new generalization of contra-continuity called contra-precontinuity.