TY - JOUR AU - Lex G. Oversteegen AU - Edward D. Tymchatyn TI - Extending isotopies of planar continua JO - Annals of mathematics PY - 2010 SP - 2105 EP - 2133 VL - 172 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4007/annals.2010.172.2105/ DO - 10.4007/annals.2010.172.2105 LA - en ID - 10_4007_annals_2010_172_2105 ER -