%0 Journal Article %A O. V. Nikol'skaya %T On Algebraic Cohomology Classes on a Smooth Model of a Fiber Product of Families of K3 surfaces %J Matematičeskie zametki %D 2014 %P 738-746 %V 96 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2014_96_5_a9/ %G ru %F MZM_2014_96_5_a9