@article{10_21136_MB_2007_133962,
     author = {Dow, Alan},
     title = {On van {Douwen} spaces and retracts of $\beta {\mathbb{N}}$},
     journal = {Mathematica Bohemica},
     pages = {345--368},
     publisher = {mathdoc},
     volume = {132},
     number = {4},
     year = {2007},
     doi = {10.21136/MB.2007.133962},
     mrnumber = {2365321},
     zbl = {1174.54003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/MB.2007.133962/}
}