@article{EMJ_2010_1_2_a9,
     author = {U. Samee and T. A. Chishti},
     title = {On imbalances in oriented bipartite graphs},
     journal = {Eurasian mathematical journal},
     pages = {136--141},
     publisher = {mathdoc},
     volume = {1},
     number = {2},
     year = {2010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EMJ_2010_1_2_a9/}
}