@article{TM2_2013_XVI_2_a0,
     author = {Milosav M. Marjanovi\'c and Marijana Zelji\'c},
     title = {Algebra as a tool for structuring number systems},
     journal = {The Teaching of Mathematics},
     pages = {47 },
     publisher = {mathdoc},
     volume = {XVI},
     number = {2},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TM2_2013_XVI_2_a0/}
}