TY - JOUR AU - D.B.A. Epstein TI - Factorization of 3-manifolds. JO - Commentarii mathematici Helvetici PY - 1961 SP - 91 EP - 102 VL - 36 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMH_1961__36_139230/ ID - CMH_1961__36_139230 ER -