TY - JOUR AU - Leinen, Felix TI - An Amalgamation Theorem For Soluble Groups JO - Canadian mathematical bulletin PY - 1987 SP - 9 EP - 18 VL - 30 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1987-002-7/ DO - 10.4153/CMB-1987-002-7 ID - 10_4153_CMB_1987_002_7 ER -