TY - JOUR AU - Ol’shanskii, A. AU - Sapir, M. TI - Non-amenable finitely presented torsion-by-cyclic groups JO - Electronic research announcements of the American Mathematical Society PY - 2001 SP - 63 EP - 71 VL - 07 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.1090/S1079-6762-01-00095-6/ DO - 10.1090/S1079-6762-01-00095-6 ID - ERAAMS_2001_07_a8 ER -