@article{NSJOM_1982_12_Nonea_7,
     author = {Budin\v{c}evi\'c Mirko},
     title = {On {Wong} 

 {\textquoteleft}s conjucture},
     journal = {Novi Sad Journal of Mathematics},
     pages = {69-72},
     publisher = {mathdoc},
     volume = {12},
     year = {1982},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_1982_12_Nonea_7/}
}