TY - JOUR AU - Mary-Elizabeth Hamstrom TI - Homeotopy groups of 3-manifolds---an isomorphism theorem JO - Colloquium Mathematicum PY - 1987 SP - 199 EP - 204 VL - 53 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-53-2-199-204/ DO - 10.4064/cm-53-2-199-204 LA - en ID - 10_4064_cm_53_2_199_204 ER -