@article{NSJOM_1983_13_Nonea_26,
     author = {Petrovi\'c Vojislav},
     title = {On biparite score sets},
     journal = {Novi Sad Journal of Mathematics},
     pages = {297-303},
     publisher = {mathdoc},
     volume = {13},
     year = {1983},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_1983_13_Nonea_26/}
}