@article{NSJOM_1984__14__a15,
     author = {Stojmenovi\'c Ivan},
     title = {Classification of the set of three-valued symmetric monotone logical functions},
     journal = {Novi Sad Journal of Mathematics},
     pages = {175-185},
     publisher = {mathdoc},
     volume = {14},
     year = {1984},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_1984__14__a15/}
}