TY - JOUR AU - Abels, Herbert TI - Discrete groups of affine isometries. JO - Journal of Lie Theory PY - 1999 SP - 321 VL - 9 IS - 2 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/item/JLT_1999__9_2_223731/ LA - en ID - JLT_1999__9_2_223731 ER -