@article{NSJOM_1995_25_2a_11,
     author = {Petrovi\'c 

 Vojislav},
     title = {Bipartite 

 kings},
     journal = {Novi Sad Journal of Mathematics},
     pages = {117-119},
     publisher = {mathdoc},
     volume = {25},
     number = {2},
     year = {1995},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_1995_25_2a_11/}
}