%0 Journal Article %A Sergiu Rudeanu %T On positive, linear and quadratic Boolean functions %J Kragujevac Journal of Mathematics %D 2012 %P 177 %V 36 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/KJM_2012_36_2_a0/ %G en %F KJM_2012_36_2_a0