@article{MEM_2012_41_1_a21,
     author = {Bantchev, Boyko},
     title = {Fraction {Space} {Revisited}},
     journal = {Mathematics and Education in Mathematics},
     pages = {209--218},
     publisher = {mathdoc},
     volume = {41},
     number = {1},
     year = {2012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MEM_2012_41_1_a21/}
}