%0 Journal Article %A Charles Landraitis %T $L_{{ω_1}ω}$ equivalence between countable and uncountable linear orderings %J Fundamenta Mathematicae %D 1980 %P 99-112 %V 107 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-107-2-99-112/ %R 10.4064/fm-107-2-99-112 %G en %F 10_4064_fm_107_2_99_112