@article{MM2_1988__60_2_155288,
     author = {Mark Mandelkern},
     title = {Constructive irrational space.},
     journal = {Manuscripta mathematica},
     pages = {397--406},
     year = {1988},
     volume = {60},
     number = {2},
     zbl = {0647.03054},
     url = {http://geodesic.mathdoc.fr/item/MM2_1988__60_2_155288/}
}