%0 Journal Article %A Dow, Alan %T On van Douwen spaces and retracts of $\beta {\mathbb{N}}$ %J Mathematica Bohemica %D 2007 %P 345-368 %V 132 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/MB.2007.133962/ %R 10.21136/MB.2007.133962 %G en %F 10_21136_MB_2007_133962