TY - JOUR AU - S. G. Tankeev TI - On the standard conjecture and the existence of a~Chow--Lefschetz decomposition for complex projective varieties JO - Izvestiya. Mathematics PY - 2015 SP - 177 EP - 207 VL - 79 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM2_2015_79_1_a7/ LA - en ID - IM2_2015_79_1_a7 ER -