TY - JOUR AU - A. Rapinchuk TI - The congruence subgroup problem for algebraic groups JO - Banach Center Publications PY - 1990 SP - 399 EP - 410 VL - 26 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/-26-2-399-410/ DO - 10.4064/-26-2-399-410 LA - en ID - 10_4064__26_2_399_410 ER -