@article{KJM_2011_35_1_a12,
     author = {Umatul Samee},
     title = {Multipartite digraphs and mark sequences},
     journal = {Kragujevac Journal of Mathematics},
     pages = {151 },
     publisher = {mathdoc},
     volume = {35},
     number = {1},
     year = {2011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KJM_2011_35_1_a12/}
}