TY - JOUR AU - O. V. Nikol'skaya TI - On Algebraic Cohomology Classes on a Smooth Model of a Fiber Product of Families of K3 surfaces JO - Matematičeskie zametki PY - 2014 SP - 738 EP - 746 VL - 96 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2014_96_5_a9/ LA - ru ID - MZM_2014_96_5_a9 ER -