TY - JOUR AU - Charles Landraitis TI - $L_{{ω_1}ω}$ equivalence between countable and uncountable linear orderings JO - Fundamenta Mathematicae PY - 1980 SP - 99 EP - 112 VL - 107 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm-107-2-99-112/ DO - 10.4064/fm-107-2-99-112 LA - en ID - 10_4064_fm_107_2_99_112 ER -