@article{VM_2000_2_1_a5,
     author = {Igor Yevin},
     title = {Ambiguity and {Art}},
     journal = {Visual Mathematics},
     publisher = {mathdoc},
     volume = {2},
     number = {1},
     year = {2000},
     url = {http://geodesic.mathdoc.fr/item/VM_2000_2_1_a5/}
}