%0 Journal Article %A S. G. Tankeev %T On the standard conjecture of Lefschetz type for complex projective threefolds %J Izvestiya. Mathematics %D 2010 %P 167-187 %V 74 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_2010_74_1_a3/ %G en %F IM2_2010_74_1_a3