TY - JOUR AU - Kim, Soo Hwan AU - Kim, Yangkok TI - $\theta$-curves inducing two different knots with the same $2$-fold branched covering spaces JO - Bollettino della Unione matematica italiana PY - 2003 SP - 199 EP - 209 VL - 6B IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/BUMI_2003_8_6B_1_a11/ LA - en ID - BUMI_2003_8_6B_1_a11 ER -