TY - JOUR AU - Lakser, H. TI - Normal and Canonical Representations in Free Products of Lattices† JO - Canadian journal of mathematics PY - 1970 SP - 394 EP - 402 VL - 22 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1970-048-3/ DO - 10.4153/CJM-1970-048-3 ID - 10_4153_CJM_1970_048_3 ER -