@article{LJM_2004_15_a3,
     author = {B. Wu},
     title = {Algebraic properties of refinable sets},
     journal = {Lobachevskii journal of mathematics},
     pages = {35--45},
     publisher = {mathdoc},
     volume = {15},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/LJM_2004_15_a3/}
}