%0 Journal Article %A Dow, Alan %T Sequential Order under PFA %J Canadian mathematical bulletin %D 2011 %P 270-276 %V 54 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-2010-099-3/ %R 10.4153/CMB-2010-099-3 %F 10_4153_CMB_2010_099_3