@article{NSJOM_2004_34_1a_0,
     author = {S. K. 

 Sardar and U. Dasgupta},
     title = {On primitive 

 $\Gamma$-semirings},
     journal = {Novi Sad Journal of Mathematics},
     pages = {1-12},
     year = {2004},
     volume = {34},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_2004_34_1a_0/}
}