%0 Journal Article %A S. G. Tankeev %T On the standard conjecture and the existence of a~Chow--Lefschetz decomposition for complex projective varieties %J Izvestiya. Mathematics %D 2015 %P 177-207 %V 79 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_2015_79_1_a7/ %G en %F IM2_2015_79_1_a7