TY - JOUR AU - A. N. Skorobogatov TI - On the Elementary Obstruction to the Existence of Rational Points JO - Matematičeskie zametki PY - 2007 SP - 112 EP - 124 VL - 81 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2007_81_1_a8/ LA - ru ID - MZM_2007_81_1_a8 ER -