@article{PIM_1998_N_S_64_78_a1,
     author = {\v{Z}arko Mijajlovi\'c},
     title = {On {Free} {Boolean} {Vectors}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {2 },
     publisher = {mathdoc},
     volume = {_N_S_64},
     number = {78},
     year = {1998},
     zbl = {0989.06011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PIM_1998_N_S_64_78_a1/}
}