%0 Journal Article %A O. V. Nikol'skaya %T On algebraic cycles on a~fibre product of families of K3-surfaces %J Izvestiya. Mathematics %D 2013 %P 143-162 %V 77 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_2013_77_1_a6/ %G en %F IM2_2013_77_1_a6