TY - JOUR AU - D. Repovsh TI - A Topological Dehn's Lemma JO - Mathematica balkanica PY - 1988 SP - 306 VL - 2 IS - 3-4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MABA_1988_2_3-4_a4/ ID - MABA_1988_2_3-4_a4 ER -