@article{NSJOM_1993_23_1a_2,
     author = {Popa 

 Valeriu and Noiri Takashi},
     title = {Characterizations 

 of 

 a-continuous 

 multifunctions},
     journal = {Novi Sad Journal of Mathematics},
     pages = {29-38},
     publisher = {mathdoc},
     volume = {23},
     number = {1},
     year = {1993},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_1993_23_1a_2/}
}