@article{NSJOM_2009_39_2a_5,
     author = {M. Alamgir Khan and Sumitra},
     title = {Fixed point theorems

 for expansion mappings in 2 {non-Archimedean} {Menger

} {PM-space}},
     journal = {Novi Sad Journal of Mathematics},
     pages = {51-60},
     publisher = {mathdoc},
     volume = {39},
     number = {2},
     year = {2009},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_2009_39_2a_5/}
}