@article{KJM_2012_36_2_a0,
     author = {Sergiu Rudeanu},
     title = {On positive, linear and quadratic {Boolean} functions},
     journal = {Kragujevac Journal of Mathematics},
     pages = {177 },
     publisher = {mathdoc},
     volume = {36},
     number = {2},
     year = {2012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KJM_2012_36_2_a0/}
}