%0 Journal Article %A Gerald Ungar %T Countable dense homogeneity and n-homogeneity %J Fundamenta Mathematicae %D 1978 %P 155-160 %V 99 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-99-3-155-160/ %R 10.4064/fm-99-3-155-160 %G en %F 10_4064_fm_99_3_155_160